Ever worked in a company with micro services or a company that has a bunch of employees? You'll have hundreds of projects easily if it's a bunch of teams. If someone tells me "it's in our SRE libs package" I'll go ahead and search that. (Usually I can't find it because it's in a separate namespace on our Gitlab instance. Doing that is an Enterprise only feature on Gitlab right now: https://docs.gitlab.com/ee/user/search/advanced_global_searc...)
The point is that search is important and not a social network gimmick.