> An example is Flathub, where new applications using the most modern toolkits and UX strategy appear every day, providing "just works" alternatives to complex older FOSS software,, in a boom similar to that seen around 2012 on Apple's Mac App Store.
Damn that’s sad to read - for those unaware, Linux had one of the first app stores ever in about 2002 (Click n Run on Lindows/Linspire).