I hope not, the way I see it is that there is more opportunity now for maximum concession extraction then any other time in almost four decades.
That is probably the way the US and most of Eastern Europe see things in the (unlikely, IMO) event of a total Russian defeat. However, when your former rival is on the floor, you can also offer him a hand up and make amends.
In this scenario, and assuming Putin goes, there will be the biggest window of opportunity since the early 2000s to bring Russia into the European fold. That will still be a small window, but it’s going to tempt some EU leaders - and perhaps it should. That wouldn’t look like an immediate offer of EU membership, but they could offer more economic support/do less pillaging than they did in the 90s.