This is wrong thinking. While American comrades should be willing to give critical support for policies that burnie and aoc have those few policies are practically non-existent and consistently sacrificed in exchange for personal political gains. Those ideas are not aoc or burnie's ideas they just grabbed onto them. You can support the policy while disparaging people who claim to support them.
It is not a purity test. There is nothing there to purify. Lauding them for their "progressive" policy ideas (that don't go anywhere) is picking corn kernels out of a pile of shit and presenting them as gold. They are not comrades. They are tools of the capitalists through and through.
It is better to engage with supporters of aoc and burnie and show them why the little they offer is a) not enough and b) a trap to keep people from seeing there is no voting their way out of capitalism. I am 99% sure that aoc is a fbi or cia operative instilled to lure younger progressive voters into voting democrat and I am almost as sure that burnie is the same.
The part that many leftists get wrong (myself included) is our attitude and tone when trying to communicate these ideas. We often come off as combative and talking down and that is unhelpful 99% of the time.
this is your brain on liberalism