Since people are giving excuses for iPad fails by blaming Microsoft, here's my experience with an M1 iPad Pro, a year or two ago --
I sometimes do translation work on Notes, during which I need to reference a PDF document, which I will have open in Files in split view.
Often times I'd have to find some reference on the web by switching out to Safari.
I guess you can guess what will happen at this stage -- Yes, the Files app refreshes itself and the PDF document is gone
No big deal -- I simply re-opened the document then.
Oh, but I need the website for reference again, so I switch out to Safari.
Guess what, Safari refreshes.
And the cycle repeats itself.
Last fall I was caught by the Stage Manager hype and tried working that way. It didn't work because Files app often hangs when in that mode, so that's fun
By late last year I have realised that the iPad has no space in my life, which is when I sold it and be a MacBook + iPhone only guy.