The flip side to all of this is that uninstalls on the Mac are hit and miss. Adobe apps, for example, spray files all over the place. Trashing an Adobe app won't remove all of it. They provide an uninstaller, but even that doesn't remove everything (I know - blame Adobe for this one)
It's unintuitive that you can uninstall System Preference panes, but not necessarily the apps that rely on them for configuration. Worse, if I uninstall an app that's only a system preference pane, it doesn't trash those files, it just disappears from view.
If you trash VMWare fusion, you will be left with kernel extensions laying around, you have to know to re-run the installer to completely remove it.
The fact that applications like AppZapper exist and fill a valid niche role in the Mac world demonstrate that its not all roses. It's much better than Windows overall, but could still be improved. Unfortunately, if you were to improve it, you'd probably end up with some sort of install management system, and that would start to smell suspiciously like Microsoft and .MSI files...
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-Scott
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