To be fair to Microsoft, Excel crashes far less frequently than it did 10 years ago so that is something I guess. I would put the "productivity gains" from that alone at +40%.
My girlfriend and I work in the same company, I have an M1 mac because I'm a dev and she has a shitty Dell laptop with Windows. Sometimes it's easier for her to send me an Excel, make the edit for her and send it back, because Excel constantly hangs on her laptop.
Companies will buy the cheapest, shittiest PCs/laptops and wonder why their slow or people are unproductive. Apple have their share of issues, but at least they won't sell you completely useless laptops.
The minute someone is using a computer and it's noticeably slow their brain will start looking for something else to do and they'll lose any momentum on whatever task they where working on.
