Corporate culture used to be far weirder: IBM Songbooks Posted by tomilola39 on Tuesday August 23, 2022 @06:09PM from the twitter.com dept. https://twitter.com/emollick/status/1562143652180365323 ( 3 comments | 3 points | on HN )
Then permitted Bermuda shorts, briefly.
Beards came later.
Now, IBM sacks anyone over the age of 55 (only half joking)
https://en.wikipedia.org/wiki/Brian_Reid_(computer_scientist...
OTOH Vint Cerf, Rob Pike & Ken Thompson are all doing fine there. So, YMMV