you mean on ptr?
only Un-prepaired guilds use ptr lol
as i said in my comment
this been happening since 2019 for months before any raid new gets released on live, they never wait the ptr and sometimes don’t even bother being on ptr & this is why any raid in 60-70-80 so far was being cleared within minutes of it’s release because they practiced clearing it tons of times weeks before it even come to live.