The article in no way describes any actions taken by Valve that leads me to believe there is any impending enshittification. They simply have made decisions, a lot of which they have stuck with for many years.
Enshittification has to do with bait and switch, effectively. It’s luring customers into a false sense of loyalty and then abusing that to their financial gain (see: Reddit and Spez from 2023).
The article basically says “there are some decisions by Valve I like, and some I don’t.” That in no way provides any path toward some bomb going off. Perhaps time will prove the author right, of course, because any company can easily decide to screw over their customers, but the article is click-bait and completely speculative as to what may happen.
And due to all of the above, I think the bomb is about to go off where elephants will fly out of my refrigerator and steal my soda.