I would say just watch all kinds of Kasumis' to see what to do & what not to do because most of us play differently. Like this past tournament at Final Round, me & Kwiggle had mirror match *Which he won* which was streamed while Allan (Lucky Loopz) & Shade Swifteye had a mirror match off stream in pools. So it's pretty much what they're saying. Wish that it would've gotten streamed too I could've gone back to watch it. Hoping that Tylor & others can make it out too so they can showcase.
Edit: Personally, I wish people didn't use the term "Pro Player" so loosely. This leads to a bad misinterpretation of a player. It can be really misleading. A pro player to me is someone who plays games with a sponsorship & brands backing players up. You'll see them in certain T-Shirt with logos & colors. Clan members do this too though. They don't have to be pros to necessarily be knowledgeable at games or can even be high level, yet no sponsorship. No one in the OP meant any harm, but it's just something that people figuratively say that I wish they would keep in mind. This also puts unwanted pressure among players too.