Literally every tech company does this. Discovery was different when most communications were in person and company memos we're on paper. Even then companies

Literally every tech company does this. Discovery was different when most communications were in person and company memos we're on paper. Even then companies shredded memos after a while, they're not worth the cost to store them. Now with computers and everyone working via slack all day it's cheap to store everything everyone has said in your company and the laws around discovery haven't been updated so all of that content now has to be checked at the cost of the one being sued.