Back to the original point: there was a guy on the Sox once who used to take the first pitch all the time and it was maddening.
https://baseballsavant.mlb.com/savant-player/mookie-betts-605141?stats=statcast-r-hitting-mlb
In this case, the stats back up the idea that in 2018, Mookie Betts swung at less than 10% of the 1st pitch of an at bat. It was frustrating sometimes, but he was also having the greatest year of his career. This year, Mookie has swung at 30%.