Because low propensity voters and people not really engaged with politics will only hear the occasional line about how McConnell blocked Biden from doing "all these good things he truly wanted to do".
On the other hand, republican media will be railing against both McConnell and Biden, so conservative voters will vote in even more insane people.
Full party rule of dems gave more opportunity to agitate against them bc there was no one to blaim on failures but themselves.
Because low propensity voters and people not really engaged with politics will only hear the occasional line about how McConnell blocked Biden from doing "all these good things he truly wanted to do".
On the other hand, republican media will be railing against both McConnell and Biden, so conservative voters will vote in even more insane people.
Full party rule of dems gave more opportunity to agitate against them bc there was no one to blaim on failures but themselves.