They've been doing this for years. Take a race like Minnesota where a "mainstream" Republican might have a chance to win but Republican primary voters always choose the extreme crazy people to blow any chance of winning. This guy is almost as bad as Robinson in the NC Governor's race. One thing for the Democrats to be thankful to the Republicans for.
Check out his article describing just a small amount of his idiocy:
https://www.msnbc.com/the-reidout/reidout-blog/royce-white-republican-minnesota-senate-primary-win-rcna166607
MAGA podcaster Royce White's primary win is disastrous for Minnesota Republicans
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One of the ways White has sought to do that is through rank misogyny. I wrote earlier this year about how White went viral over comments he made in a resurfaced podcast interview with Bannon, in which White claimed women have become too mouthy these days. Politically speaking, White is a walking red flag who is likely to provide his opponent with what seems like a librarys worth of sound bites to work with in the coming months.
That includes his use of homophobic and misogynistic slurs to attack people online, his antisemitic rhetoric, his embrace of 9/11 conspiracy theories, and it's possible that his use of campaign funds at a Miami strip club in 2022 could come up.