Right Sector is not like Tea Party or patriots. More accurate description of them would be a Party of Soccer Hooligans. Good to have on your side in a fight, but people don’t want them in politics. This party got 1.8% of the votes in elections last year and that is less than support for Roseanne Barr for US president.
Unrelated clip from a great comedy movie “Eurotrip” showing comical soccer hooligans - https://www.youtube.com/watch?v=dV9jIZXcxGA
So what is to be done? Ukraine is a beautiful country with many fine people. They do not deserve this suffering