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.
Listen. Some of us have our life savings in our Steam library. If competition ever drives Steam bankrupt, we go down with the ship! We take Steam’s health personally and very seriously. Your mumbo jumbo about competition doesn’t factor into it.
That’s why you buy from GOG.