Depends on the organization. During my time at an MSP I saw plenty of orgs that could be switched to Linux tomorrow if the desire arose because everything happens in a web browser, but I also saw orgs where virtually every computer user was using different verieties of CAD so compatibility with both CAD and their fancy architectural plotters was business critical
Office is online nowadays…
And what is the percentage of users who need such specific software?
Depends on the organization. During my time at an MSP I saw plenty of orgs that could be switched to Linux tomorrow if the desire arose because everything happens in a web browser, but I also saw orgs where virtually every computer user was using different verieties of CAD so compatibility with both CAD and their fancy architectural plotters was business critical