Then where does that leave us? What options do we have besides completely stun locking the government?

Super-short-term, no options except playing HARD defensive against the bullshit. But remember the political climate right before Trump won. Republicans were convinced they needed to become more moderate, and thought Trump would be the death of their party.

Fast-forward to the recent House shenanigans, AND THEY WERE RIGHT. All we need to do is not give into terrorists and not negotiate with anyone who doesn't start negotiating in good-faith. If the Republicans become two parties, at some point the ones disgusted by the Alt-Right groups will have to decide that conservative Democrats are better than burning the country to the ground.

The way I see it, traditional Republicans have no platform. Their platform is simply anti-democrat

Traditional Republicans have the platform of regression. For 50+ years, their motto was that the New Deal was the death of the American Dream, and that if they could just reverse civil rights (and maybe the 14th Amendment) they'd be happy. It was a platform, and one we unfortunately compromised with WAY too much already.

This as the reason facists have taken over the party. They, on the surface, represent a solution to the GOPs lack of direction. That’s how they’re convincing moderates to vote for them, imo.

Your conclusion is correct, but I don't think your steps are. The fascists have taken over the party because that's what happens with conservative parties every single time. A man preaching fascism was able to steal the votes of bigots because active racism is more pleasant to the KKK than passive racism. Keeping out brown people was a HUGE voting motivation in 2016, right when we were told we were starting to overcome racism.

Yea, we need to hold GOP voters accountable if they vote for neofacists. But most arguments we are far too aggressive (much like my own earlier comments). It helps nobody and only give ammunition to the opposition

I understand your motivation here, but there's a problem. Have you ever heard of "normalization"? Arguably the biggest botch in the last decade was the Joe Rogan effect, talking heads avoiding direct confrontation with idiocy until neutral observers learn it's "okay" to take that idiocy seriously. "Blue lives matter" bullshit doesn't just sit on tv next to other discussions, but anything even slightly extreme on the left wasn't being given the same privilege. "Liberal media" news would spent 5 minutes talking about how BLM was all criminals perpetuating riots and then segue into how horrible Kathy Griffin was because of her joke about killing Trump.

Every time we treat a bigot, or racist, or fascist, like their monstrous position has any hint of legitimacy, we are telling them it's ok to be that way. Deprogramming is a complicated process (and yes, controversial in its techniques), but the one common thing is that it NEVER involves validating the person's irrational belief. The proper first steps are to actively attack the legitimacy of whatever authority spawns their belief while showing why those opinions have no compatibility with reality. First steps because that's never enough on its own.