I’m sorry if I expressed myself wrong, English is not my first language. Instead of tolerance, I was referring to resistance, which consists of the ability to withstand the effect of something that you previously could not bear and that now your body has become stronger/robust to withstand it without problems. Like weight lifting exercises for example.
It is true that brute force does not mean effectiveness, in my case I have used some of SZ’s audios not because they are more powerful than others but because some of their concepts and approaches are very original and no other creator has something like that. And I have also done it with care like when I discovered SM for the first time and the other creators I trust.
And well, at the end of the day it is just a personal recommendation, I have tried to be as cautious as possible so that no one exposes themselves to unnecessary harm, take it with a grain of salt.