I pretty much only use the Mac App Store anymore. There are maybe 2 apps I use that I get outside of it. I have a bunch that I are woefully out of date because their developers abandoned me. It's too bad that rather than trying to push to make it a better place developers are just leaving.
How exactly do developers "push to make it a better place?" It's owned by Apple, nobody else has a voice, and Apple must be 100% clear on the perceived shortcomings seen by developers. It's not like there's a quarterly App Store Community Meeting where people can go and complain ...