I’ve read the article and still don’t know why.
Because it’s easier for the few devs of one of the richest company of the world to manage only one delivery method.
Probably because there's internal conflicts between the store team and the applications group, that neither of them want to deal with anymore, this might have been for the windows S support (remember store only windows).
They have their own distribution system, so they don't need this anymore.
Content marketing and modern “journalism” at it’s finest
> It's simply easier for the Microsoft development team to maintain one version of the suite and they've chosen the most convenient option — Click-to-Run (vs Microsoft Store)
Must be significantly harder to develop MS Store apps. Due to sandboxing limitations?
I suffered through this Store pain recently, after buying a $$ game from Microsoft: https://www.thewindowsclub.com/cant-install-forza-horizon-on... (11 things to try!)
Microsoft also had a separate EXE to download to try to repair things, along with wsreset, wscollect, etc. Far too complicated.