A black bloc uncle old me once, that in political struggle you need a militant and a civil/political branch. With as little direct connection between the two as

A black bloc uncle old me once, that in political struggle you need a militant and a civil/political branch. With as little direct connection between the two as possible. One of his reasons was the one you pointed out. The other that the persons that participates in violent struggle, are a bad fit for dialogue and building something lasting up afterwards.