I understand your sentiment.
However my point of view is, when there is a war there are two parties fighting. One side started it more than the other, yes. One side did worse things than the other, yes. The other side did have to respond, well maybe.
But as long as this continues it's on both parties in my point of view. The democrats are not perfect. In particular, they are just as beholden to campaign contributor interests as the republicans are.
But both are fighting now and considering a loss of the other a win for their camp (zero-sum thinking). Until this is prevalent, this will not end and the country will continue to suffer. Someone will have to be the responsible one and stop it.
PS: I'm not in favour of the republicans personally, I'm socialist. I'm a lot more left-wing than even the democrats in the US. Where I don't live. And glad not to, to be honest, I have been offered a job in Silicon Valley in the past and have declined. Now, I have to say this was during the Trump reign and with the whole Corona thing going on. Not the best of times.
But I blame both for this continuing battle that puts the position of the US as a geopolitical force at risk, because the enemies don't have this particular infighting issue (easy, being mostly dictatorships) and they take full advantage of this weakness. With the world with China and Russia as major powers we are all a lot worse off.