The worst damage to computers was done by U.S. Congress in 1972 when they fired ARPA IPTO that invented the Internet and the foundations of everything we now have in enshittified form. The direction was fantastic until then.
The sick sad history of computer-aided collaboration
https://www.quora.com/Who-invented-the-modern-computer-look-and-feel/answer/Harri-K-Hiltunen
(long story)