A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Yet another piece of evidence of this alleged feature having a real and negative commercial impact for users.
Microsoft, are you able to supply literally any positive feedback on this? The best you've come up so far with is the theory that without the Check Performance pop-up some users may experience "performance pain" in terms of time taken to load and edit sheets.
What is the process for admitting that an addition to your software might not have been a good idea. It's OK to admit defeat and just switch it off. No-one has asked for it. No-one is fighting to keep it. Your core users are increasingly angry about it.
Please, pretty please, with sugar on top... switch it off.