There are plenty of Mac apps where dragging the app to the trash doesn’t uninstall them.
Unlike windows which has the add/remove programs control panel there isn’t really a standardized way to uninstall things on Mac. (I think you can make a .pkg uninstaller but it’s rare to see that)
I went through the launch agents and launch daemons on my personal computer a few months ago and found plenty of obsolete stuff that was hanging around even after I no longer had whatever the associated app was installed.
Unlike windows which has the add/remove programs control panel there isn’t really a standardized way to uninstall things on Mac. (I think you can make a .pkg uninstaller but it’s rare to see that)
I went through the launch agents and launch daemons on my personal computer a few months ago and found plenty of obsolete stuff that was hanging around even after I no longer had whatever the associated app was installed.