Except that was done to save disk space (according to https://jeffpar.github.io/kbarchive/kb/063/Q63777/, "When EDIT.COM is executed in MS-DOS versions 5.0 and later, it invokes QBASIC.EXE with the /EDITOR switch", whereas this installs a whole new copy of the Edge browser (850 MB) on a system where in 90+% of cases it's already installed...
The hilarious side effect of this is that Intune/Defender on MacOS flags the multiple copies of edge for non-compliance. Maybe this is just something that happens to MSFT employees, not sure, but I’ve had to waste many hours filing for false positive exceptions because not a single Microsoft product can figure how to use a Mach-o shared dylib path