I'l preface by saying, I make it a point not to follow what WotC does/isn't doing and generally do not bother to post to these sorts of threads simply because I do not follow "the industry" as such. I just know what/how I like to play.
That said, based off of the changes as supplied by the OP, I'm going to fall back on my knowledge in the print industry and observation/knowledge of existing market trends...just my personal observation/beliefs, I have no concrete proff of any of this in relation to WotC decision-making.
1) WotC is following the trend in print publishing (across the board) that the print medium is on the way out and Online publishing/content is the way for businesses to "make a profit."
Print, in general, is a "losing money" proposition these days. Almost universally, for any industry. I hate it. But that seems to be the trend.
People simply don't want to pay for hard copy when they can just "click" for whatever they want...and making online content "paid subscriptions" is significantly cheaper for the customer as well as the company.
2) There seems to be a trend returning to the use of boardgames. This is, in my estimation, the result of the fact that we're (the original D&D gamer audience as well as non-gamer population) all older. And many (if not most) have kids. The use of boardgames for non-computer "family time/activity" is definitely taking an upswing from what I can tell.
Producing a board game that would appeal to anyone in lieu of books "for gamers" is, almost certainly, a more prudent investment.
Again, not what I'D like to have available, personally, but I do not constitute "the market" as a whole.
Just my two coppers.
--Steel Dragons