For the most part, my biggest concern is that some are lead to believe whatever they read (hyperbole) rather than what they actually see (in relation to what they’re actually looking for).
Boxing is a sport born out of struggle and so it’s fair to say that tough times make tough fighters. Mentally tough fighters I mean.
Tactically) Maybe, maybe not. There is a certain traceability* from generation to generation which can be built upon but there also things that are lost.
*credit to @NVSemin for the term 'tracebility', bro you need to expand on that thread you started ,I've been waiting!