This game S2
Don't even need to hear about it anymore, I know that whenever it launches it will be amazing.
No it's not a threat. A lot of what's said in this article is bullshit, or has been addressed.
"No Exclusive Fullscreen Mode"
It was only an issue because some applications detect exclusive full screen to work, like for instance gsync. The compatibility woes has been solved.
"Lack of interoperability"
This was just a lie from day 1. Injection worked right away, the only "trick" is that uwps require a different method of retrieving the application to inject. It's simply a matter of the tools updating to support this, not any kind of block
"Modding Restrictions"
Already solved by the community. Even the file integrity checks are a solved problem (Not sure about modifying the executable, but I think even that can be done for some games)
Injection mods are the same as above, just need to change how they acquire the app process to inject.
"Ecosystem Drawbacks"
They mention stealink and no drm from gog. One is a feature anyone can develop an app for, and the other is a characteristic not of platform. Steam also has some drm.
They also bullshit about certification, again, that's a store process, not something required with uwp.
"A more holistic view" and "History and Context" are complete bullshit not worth mentioning.
"Potential consequences and the future"
This is also false. Most of the installers (installshield for instance) which are used to install win32 applications already support uwp, you can create a installer to distribute every where you want, and anyone is free to integrate like those installer did to their store (for instance steam might integrate uwp on their own installer making no difference to the user on how they install their games.
Apps that do so even have the platform benefits Ms added to uwp, such as streaming install (think of Ps4 playing games when installing from the disc), automatic updates, A/B testing for new features and some more. And this was added to the app model, available to any uwp even those you install from outside of the store (yes, you can simply download a uwp from a web site, install, and have it always updated)
So no, UWP is not a cancer, it's not against what PC gaming should be about, not anti consumer in the slightest (someone should create a law about this word btw)... It's just a simple new format that is receiving great new features such as the ones I mentioned above as platform features usable for all developers and are made in a standardized way.