Microsoft office suite? Adobe, most DAWs. PCVR.
There are alternatives for some of these things. IMO libreoffice is good, but buggy compared to the MS office suite.
Basically “professional software” that isn’t tech related.
There are fantastic alternatives that are (nearly) transparent for individual users.
There are BETTER alternatives for some software.
But working in a team/company that doesn’t prioritise Linux accessibility is painful. And it’s pain that people aren’t paid to deal with to complete their actual workload.
MS has corporate by the balls.
Some people were saying MS Office will still run in the browser though and that’s 90 percent of my use case these days to be honest.