Cobra Kai (2018)

Take a Right - S2-E6

Tommy: Today was fun, Johnny.
Johnny: You still got some moves, man. You should stop by the dojo sometime.
Tommy: Yeah, right! Just like the good old days. And where'd all that time go?
Johnny: I don't know.
Tommy: You know, there was something I never told you. Didn't think you needed to know. Screw it. I was in love with Ali.
Johnny: What?
Tommy: Freshman year. We were in the same homeroom, used to talk all the time. I was building up the courage to ask her out when someone else struck first. Then I joined Cobra Kai. I wanted to have the balls that you have. But not the smell.
Johnny: I don't think I ever really got over her. I mean, I dated plenty of babes after, but I never really let my guard down with any of them, you know? Not like with Ali.
Tommy: You still got one thing that's more important than anything, Johnny.
Johnny: What's that?
Tommy: Time. You still have time.
Johnny: Yeah? Time for what?
Tommy: Meet someone new. Change your life. Do what you want to do.

Take a Right - S2-E6

Trivia: Minor spoiler: In season 2, Johnny reunites with his old Cobra Kai buddies. One of them, Tommy, has been ill for some time. They go on one last ride together, and by the morning Tommy has died. Robert Garrison, who plays Tommy, went through something very similar. Robert had been ill for some time, and got together with the actors for one last reunion in this episode. He sadly passed away on 9/27/19, just months after the show aired.

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Show generally

Question: I've never seen the show so an explanation would really help. Why would Johnny open up his own Cobra Kai dojo? Since there was probably a lot of negative publicity due to how Kreese taught his students and how he attacked Johnny, a lot of people probably wouldn't go to a dojo synonymous with brutality but maybe to a dojo that taught karate the way it should be learned.