Loool the reality they have earned multiple this amount might amaze you then.
Tournament prize pools arent even nearly the only income for pro players anymore. Take in count Astralis players own Astralis partly. They have multi-millions.
Noone gets money for their personal stickers sold, it's the combined sales amount of all stickers sold from one event that then gets distributed among players equally. I mean after Valve takes their cut ofcourse. Otherwise it'd be rng who gets most money due to them dropping from capsules.