Orthodox Christianity is thriving in russia, so thinking they’re secret muslims is a bit of a stretch. Use facts, not slogans, if you want to make a coherent argument.
Dude, I originally thought that it was under ottoman rule but it was well before that. Up and into the 1600s, so it’s been there for a long time. You’re welcome to go look it up yourself. Spend a moment and you might have a coherent argument.