Its real somehow: https://xcancel.com/Shedletsky/status/1886563357249212846#m
Transcript
A tweet by Jon sheletsky (@shedletsky) saying "Silicon Valley built the modern world. Why shouldn’t we run it?. The tweet has 658k views, 70 bookmarks, 70 likes, 460 retweets/quotes and 694 replies. It was posted at 6:52 PM, 2/3/25.
My thoughts exactly. Most likely a single member had a part of the code they were working on and never shared and deleted by accident.
Even then it shows little professionalism. A local git repo can do charms even if you never intend to publish.