Steam, in terms of consumer policy, has only ever been as strong as Gabe Newell. I think we'll see another Activision/Blizzard situation in the near future as Gabe looks to step back into (semi-)retirement.
Sadly, this is pretty accurate and not that different a situation from linux kernel where Linus still reigns. Their vision is driving both and, thankfully for most, they have been fairly benevolent dictators.
But, and it is not a small but, even with their benevolent dictatorship in place, it can only get much worse after they are gone. The pieces to a rather bad ecosystem are all in place.