I feel, like a lot of 21st century life is trying to do things artificially. Going to the gym, talking to strangers at the gym, ... these are both artifical replacements for human activity that is missing. You go to the gym because your daily routine isn't active enough. You try to form friendships with strangers because your daily routine lacks real and fulfilling interactions with other people. Also it's kind of od…
crossfit became popular as a side effect of "bootcamp" style workouts in the 2000s-2010s, like the Spartan Run, Tough Mudder, Rucking, etc.
mark rippetoe, creator of Starting Strength, was heavily involved in crossfit. between that and him franchising his Starting Strength practice, powerlifting became more widely practiced. once Instagram started building lifestyle brands around this (gymshark, alphalete, nobull, darcsport, etc.), it was a lock.