Microsoft Office is one of the most recognizable and valuable brands ever. I'm quite terrible at marketing, and even I can recognize how stupid the rebrand was.
It wasn't. It's the dumbest name ever.
Or the Teams download page that had two different versions - Teams for Home and Teams for Work/School.
Or .NET->.NET Core & .NET Framework->Back to .NET again.
EDIT:
There's even a rule of acquisition that could possibly apply here: #239 - Never be afraid to mislabel a product.