Balance-sheet aggregation != perfect execution consistency.
- DOS 4.0
- Microsoft Bob
- Windows ME
- Windows Vista
- JScript
- MSJVM
- Zune
- Eliminating all/most easter eggs
https://www.infoworld.com/article/2612971/microsoft-s-13-wor...
You can make many, many mistakes as a giant company, so long as they're not fatal. ;-)