Not sure if this is what you meant by logistics.
If you're thinking about supplying and maintaining their physical presence in Ukraine it doesn't look like that's a problem either.
"As of 2024, Russia produces about 3 million artillery shells a year, nearly three times the quantity from the US and Europe." - https://en.wikipedia.org/wiki/Arms_industry_of_Russia
They're also still exporting weapons though significantly less than they used to export.
Maybe they can't sustain 10 years of war with the west continuing or increasing their level of support, assuming Ukraine can, but they are nowhere near being forced to stop [the] war.
Alledged population. Or are we also to believe their election results?
The failure of the initial 3-days invasion was a demonstration that the « great Russian army », even with the support of Wagner and Tchetchenia, was unable to plan, execute and sustain a flash attack.
Yes, they may improve in the meantime. But that takes years of discipline and continuous training. So while that’s an option for them, that’s also a weakness that can be decisive.
You're applying western thinking here. The same sort of western thinking that thought Putin wouldn't invade Ukraine because what's in it for him or imagine some red lines or whatever. Russians aren't western. They don't think like us. The west always does this.
There isn't such a thing of at odds with his own population in Russia. Again you're applying western thinking to Russians. Check out some Russian jokes.