Which bubble are you talking about? Even if you remove everything after January 1 2020, it’s still up 4x since nadella took over. And that follows a decade of stagnation under Balmer.
What numbers do you know of that show that Microsoft hasn’t been successful since nadella took charge?
Complain all you want about the products, but the stock under nadella has been a success.
Microsoft’s net income is up roughly 5.4x from ~$22B in 2014 to $119B today. Profit margin also expanded, from ~25% net margins in 2014 to over 36% today.