Why doesn’t the Japanese government do anything about the touts?

I had an altercation with them back when I traveled to Japan in 2019 but got away scot free. I was younger and dumber. I live in Japan now and was walking in Roppongi with my girl and one of them approached asking for me to come with him, I raised my finger pointing at him and told him to back off. And he started aggressively speaking and me and my girl walked away. Every week I hear about tourists being robbed and fooled by them. I understand they have signs in Kabukicho saying to avoid them but why doesn't the Japanese government crack-down and get rid of them? They seem to nothing but a hinderance and provide no benefit to the people in this country or the unsuspecting tourists. Idk if it's just the Nigerians but their the only ones or atleast the majority i've seen or heard about doing this.

by MotivatedforGames