No, we don't.
But the Democrats do. They make sure that the primary field against him is thoroughly diluted with straw candidates to fragment the conservative opposition, the D's cross over and vote for him in the (open) primary, and then field no opponent against him in the general.
“They make sure that the primary field against him is thoroughly diluted with straw candidates to fragment the conservative opposition,”
No one forced you to fall for it.
That’s like saying they hacked the primary.