It seems like you're more talking about splitting the player base then splitting the attention of the publishing company?
WFB => WFRP4e has a LONG standing fanbase that would have zero interest in an AoS RPG and vice versa. BUT there a ton of new AoS fans since the 2015 release because they don't know any better, as WFB was no longer available. Later maybe they've tasted WFB via computer games (like Warhammer: Total War) or novels. So it's obvious that for a fantasy version of warhammer there were already two options, which GW would want to exploit. Both as a source of income (license fees) and new customers for it's other products. We've seen how well splitting up the RPG licenses went (W&G by Ulisses), so I think that GW, seeing how well C7 did WFRP4e, just dumped the whole GW catalog for RPGs with C7. C7, being a business saw more money in producing other lines.
I honestly see an oppertunity to add another RPG into the mix, a 40k Necromunda RPG...
It honestly doesn't matter to a business if a person that buys their products actually usses them for their intended use or not. It pays their bills and their profits. You might be impacted by less players/GMs, but you only need a small number in a group to actually play. Especially with their increadible support of Foundry VTT modules, they not only have another way to play the games easily, but also additional ways to make significantly more money (and the FVTT module creation can be offloaded to external parties)!
I'm an old guy that jumped in early and bought most of the BI/FFG products, then bought the pdfs (via Humble Bundles) and then the FVTT modules. Others who missed the FFG boat and jumped later into the GW swamp, might have bought all the C7 books, pdfs. Don't get me wrong, I was tempted by many of the collectors books, especially the Enemy Within campaign I considered buying. But the room in my bookcases were already gone... And even others will in the future jump in, but they need to jump in somewhere to start and more points of access, means more total customers that might be spread out over multiple product lines. But again, if not with C7 product lines, they might go somewhere else that fits their needs/wants. Better to let C7 do it then imho.
Questions:
- What is Wrath & Glory missing in it's product line?
- Imperium Maledictum, is imho the replacement line for all the FFG 40k lines, instead of the W&G mess they inherited from Ulisses. I haven't read enough of it to see how compatible it is with the old FFG stuff, but could it be that IM is an attempt to get d100 corebooks out there to use with old FFG material (which they still sell as pdfs), while they slowly fill up the line?
- Horus Heresy, is again a whole different entry point for a specific group of fans. They can either come from the HH novel line and/or from the HH miniature lines/games (32mm and/or 10mm). Would you rather it not be there or just be part of one of the other lines? Wouldn't that delute either historical era/focus?
- The 'new' Old Old World, yeah... What can I say, it's imho a way for GW to not admit they were wrong by killing off old WFB a decade ago by saying that the 'new' Old World game was not set in the same era as WFB, but in a (far) earlier era... C7 is kind of stuck with that little bit of GW marketing. How would you want to handle writting the 'new' Old Old World into existing games? Would you make it part of WFR4e? Wouldn't that have even more of a diluted feel then 40k vs. 30k?
- How do you see WFRP's future in GWs current strategy? Personally, looking at what they did with the 'new' Old Old World, I suspect they are trying to remove it. And I suspect that after Creative Assembly is done with all the Warhammer: Total War DLC, GW will not see any benefit to keep WFB/WFRP around at all. Am I the only one that sees it this way or not?
Of HH vs. TOW I see HH doing better, having more, faster releases. But that's just a guess. Neither of them have as many releases as AoS or 40k either, so them having less releases then the other main systems wouldn't surprise me either. It might not be ideal for many, but not everyone can afford everything either. But just having the core rules there, with pdf and FVTT support makes it a very interesting toolbox if you want to play in those eras.