Russia is obviously not going to withdraw, and you or me asking Russia to withdraw isn't going to make it happen. However, people living in western countries do have at least some influence on their own regimes. Of course, the reason western regimes can keep the proxy war going is precisely because a lot of scumbags are cheering it on right now.

That's a really convenient narrative based on the fallacy of homogenizing Ukraine. Let's take a look at a few slides from this lecture that Mearsheimer gave back in 2015 to get a bit of background on the subject. Mearsheimer is certainly not pro Russian in any sense, and a proponent of US global hegemony. First, here's the demographic breakdown of Ukraine:

here's how the election in 2004 went:

this is the 2010 election:

As we can clearly see from the voting patterns in both elections, the country is divided exactly across the current line of conflict. Furthermore, a survey conducted in 2015 further shows that there is a sharp division between people of eastern and western Ukraine on which economic bloc they would rather belong to:

Maybe learn a bit about the subject first.