I think we're going to end up talking past each other as we disagree and there's a few things we'd just end up repeating over and over so forgive me for skipping a chunk here. I will respond to this though:

destroying the economy even further

"Even further" is an odd choice here. The Russian economy is stronger now than before the war sanctions. The sanctions failed miserably, everything that Russia could no longer get from the west it simply gets from South East Asia (China/India mainly) and the Middle East now. Reddit thinks there was some great economic smashing of Russia but it really horribly failed.

Winning the war is unrealistic at this time, would take a long time

"Winning" here is more a question of when parties will get round a table to negotiate again. The war almost ended in April but Boris Johnson put a stop to the deal that would have done that. It could end quickly, it could also take a long time, dependent almost entirely on how long the west wants to drag it out as a proxy war for. There is also the question of whether the US and EU might pivot to a focus on China, which would also result in getting round a table to end the Ukraine war first as they simply do not have the means to focus on both at once.

And about the USA, yeah that’s a bit of a whataboutism. There is a lot of division there and I think they are one bad president away from significantly worsening the situation. We will see about that too I guess.

It's not really whatabout. It's just useful to have a comparative baseline for "division" to understand what is necessary to create and succeed in a coup. Do you think one would succeed in the US under the current conditions? What factions and groups would need to be involved? This thought experiment is useful for understanding the kind of divisions, alliances and coalitions necessary to making a coup succeed elsewhere. It helps ground your thoughts in a more material reality rather than the fantasies peddled in the media circuit.