You are not going to improve working conditions in an Amazon warehouse by boycotting an indie author.
You will not make a disabled person cancel their Prime account because it's the best/easiest way to get groceries an option medication in a society violently hostile to the perceived 'laziness' if being trapped at home.
People keep using Amazon because they get SO MUCH through ONE COMPANY in a timely fashion and it's not worth it to lose all those benefits by switching to 15 different other>