they don't control the entire D party, there are good people there.
support the good ones, primary the bad ones.
In the last 10 years I've seen a noticeable shift in the number of normies (non political junkies) who have realized which Democrat are real and which are paid stooges.
I think part of it is also that occasional positive side effects are not something drug companies can advertise. They're legally obligated to talk about the negative ones.