Recently, the Democrats paid for ads helping to endorse fringe right wing candidates in a couple of states hoping they would win the primary. They assume in the end the Democrat will definitely win against such an extreme Republican.

Some people argue it is worth the risk, especially in purple states.

Here’s an article: https://www.npr.org/2022/06/27/1106859552/primary-illinois-colorado-republican-candidate-democrats-ads