I think this is crucial point to make, well said. It relates closely to what I mentioned in my previous comment that defaults are extremely powerful.
I don't think we can blame developers from wanting to use Wayland as the default option, precisely because of this. It does work for a lot of people too, after all. But the target audience for a distribution like Zorin OS doesn't necessarily fit in the category of people who really want to dive right into this sort of details.
At one point, I actually felt bad for even asking the question about Flatpaks. I think it was about 6 months ago, for some reason, that a ton of people had issues with them. But... that was it most of the time. And it relates to the above that people don't always have the time to learn about these things, understandably so.
Reliability is key to deliver a good user experience. Choose sane defaults that work well, and leave the door open to curiosity and exploration. And I'm not even talking about computers anymore, this applies to... dare I say, just about anything?
Thanks for the links, that should keep me busy for a while