Using LibreOffice does not give you web sharing, nor permission systems, nor automation workflows, nor easy to use access controls, nor so many other things.
So just start with sovereign, better governed products with clear transparent pricing and better affordability to begin with.
Data interchange formats are more important than ever, and having programs that don't do too many things is just as important.
Not everyone starts thinking about Google Docs or WebDAV to begin with, and actually ... LibreOffice does a decent job here.
https://help.libreoffice.org/latest/en-US/text/shared/guide/...
Don't bring up imaginary problems on Linux that people don't have. Losing access to accounts on a computer or a cloud service due to skunky companies is totally happening today though.