I'm sure history could've played out in many different ways. Capitalists at the time were smart enough to realize that they would have to give workers concessions to avoid a Soviet style revolution. It's not clear that the current crop of capitalists have that level of self awareness. The whole green new deal thing Bernie was proposing was a necessary measure to keep the system going in my opinion. Yet, the idea never got traction with the ruling class and things continue to spiral out of control now.