From the opinion piece:
Last year, I pointed out how many big publishers came crawlin’ back to Steam after trying their own things: EA, Activision, Microsoft. This year, for the first time ever, two Blizzard games released on Steam: Overwatch and Diablo 4.
Hard ask for a Linux client when the Windows client is barely functional.
It would be nice but I like Heroic launcher a lot. I probably wouldn’t bother installing a gog Linux client.