Then our Sharepoint server must have disabled sth. I regularly get a message on save that the document has changed meanwhile, with the option to overwrite those changes or discard my own...
No change tracking is visible to me, other than a timestamp and name of last edited.
FUD is isn't. Please don't use buzzword gratuitously, I know _a lot_ more about the deployment here than you. Also, you didn't counter the statement that it doesn't do concurrent editing (like Google Docs, OnlyOffice), which in 2024 is a major gap imho.