The linked tweet says that they're switching away from Angular, not AngularJS. These are two entirely different frameworks.
https://en.wikipedia.org/wiki/Angular_(web_framework)#Differ...
https://en.wikipedia.org/wiki/Angular_(web_framework)#Differ...
https://mobile.twitter.com/rishmsft/status/14081866792952872...
[1] https://www.ziprecruiter.com/c/Capgemini/Job/Senior-Software...
[2] https://www.ziprecruiter.com/c/CyberCoders/Job/Lead-Programm...
Yeah, it’s a mess. Just remember that .NET 5 is a significant break from legacy and the future.