The biggest issue with Parallels Desktop is that it is paid. There are no options on macOS to get a form of converging windowing system other than Parallels, which again, is quite costly. macOS has gained lots of traction since the release of the M1 processor, but has had a key issue, that Boot Camp will be removed, which can be considered a great loss according to some, however UTM exists to fill that gap, and some people would like to move from Parallels to FOSS virtualization software.
The biggest issue with Parallels Desktop is that it is paid. There are no options on macOS to get a form of converging windowing system other than Parallels, which again, is quite costly. macOS has gained lots of traction since the release of the M1 processor, but has had a key issue, that Boot Camp will be removed, which can be considered a great loss according to some, however UTM exists to fill that gap, and some people would like to move from Parallels to FOSS virtualization software.