The Republicans absolutely need to be sat in the naughty-boy corner for a bunch of election cycles till they flush the whackos that have commandeered the party. But its not enough
Australia and the UK are trying this... the Whacko's are making more noise than ever whilst the original party (ALP in Australia and Conservatives in the UK) are being slowly eaten from the inside out. The fact is we put up with the rot and corruption for far too long because some precious little souls didn't like the other party. It's those precious little souls who supported them that need to be held accountable, sadly they're all running to Hanson/Farage because they are so thick and thin skinned that they just don't ever want to accept that what they vote for always fails.
There's a group of people who consistently buy products that fail, in Sales and Marketing they're known as Harbingers of Failure and are considered an accurate predictor of whether a product will not succeed. I believe the same is true for politics, voted for Brexit, then for Johnson, then supported Truss and spent the last two years hating on anything Labour does... Heh, you're one of them, you voted for a failed Brexit, a corrupt Boris, an incompetent Truss and believed the total lies about Labour... you're a predictor of failure and guess what will happen with Farage too.