This ain't meant in any way personal or as an offence:
Ppl are selfish. They may be unable to think of a pleasant game with a noob, average 90+ amateur.
Maybe if you hang around for some more days and bring your average down (or your tier up) you will be accepted more.
My tip: Enter the free weekly and monthly "unlimited" tourneys. They are free of charge, give you more XPs and let you experience all courses of this site.