What you're feeling is the same thing D&D players feel about other RPGs, sometimes a lot of hype about nothing, everyone trying to reinvent the wheel, looks interesting but isn't D&D, etc...
The problem for most people is that they have a limited amount of 'room' in their head for information to handle it at the same time. The amount is different for everyone, and if you're trying to keep track of everything 5e related, I can understand that it's become 'noise' for you, it's similar to trying to track all (PC game) Steam releases... Or all the news from all sources. Most people's brains can't handle that, or should handle that.
Personally, I let most of it (both D&D, 5e compatible, and other RPGs) just flow past me, only taking note of things that look or sound interesting, sometimes not even for looking into at that time, but for later consumption. There are so many channels I get my information from, that looking at everything right then and there is not realistic. As an example: Dungeons of Drakkenheim looked premium, but looked at it later, it was essentially a Mordheim D&D style, which is interesting, but not right now, especially when I was able to page through the books at the later time. I've stored that for IF I ever want to run such a D&D campaign. On the other hand, Cthulhu by Torchlight looked interesting, but didn't 'need' it when it came out. Now I'm looking for a certain style of monster, Cthulhu like monsters are a great fit, but the book apparently only has less then two dozen, with a couple even being the same monster with a greater and lesser variation, extremely disappointing. But some other 5e supplements came across my (virtual) desk that might unexpectedly have some stuff I'm looking for.
As with anything, it's about marketing, interests, 'needs', etc. Just watching all the commercials to keep up with all the products in the world is just a waste of your time imho. But the flood of not just D&D5e third party supplements, but pnp RPG products in general is useful, as it gives you more options when you're looking for them. And the reality is that sometimes you don't even know XYZ is out there until someone tells you about it and your interest is peaked.