He can’t mark anything as a solution, only you can.
As others have said, the answer lies in your swgoh.gg page and also the swgoh.gg GAC counters page. There’s no point being suspicious until you interrogate what teams they used to beat your teams.
First: I'm looking for help,
There are many in this community who would be very happy to help, but what meaningful help can you expect to receive when your post effectively says “I dunno bruh, seems sus to me”.
If help is what you want, give us something to work with. Otherwise all you really want is to be agreed with.