Look dude, the problem is not that they don't talk about it. The problem is that they make people do complex exercises in a manner that significantly increases risk of rhabdo and a ton of other injuries despite knowing about those risks. This is irresponsible at best and grossly negligent at worst.
There is a way to lift weights in a safe and responsible manner. Crossfit not only refuses to teach its clients that, but also builds and encourages a culture where injuries become badges of honor. That is what makes it a cult.