Am I delusional or is ranked cross-platform now

I swear to god sense the new season ranked been a crazy, I'll be meeting people that snatch on and hit everything with precision characters. And the be turning around in 0.2seconds and hit everything

They also be looking around in 200 000mph and hit everything. It aint no way these people not on mouse and keyboard. I have a fast sense at 220 wich i seem is fast. But there just ain't no way these people and almost every game in silver gold mind u be playing like pros. Only takes a decent m&k player to kill everyone easy,

There is no way I every getting grandmaster again as previous seasons