Laws to leveling in higher level places.

[Yosei]

There aren't laws, but theres respecting other players. Sounds like he was a jerk.

[Albireo]

There aren't laws, but theres respecting other players. Sounds like he was a jerk.

I Agree,
if you have a different training style than just find a new group.
Dont let it bug you, it was his fault that he didnt like how you all were fighting and thats his problem.