In my case the 1% is an estimate after manually inspecting hundreds of TU uninstall logs over the course of more than a decade. I actually used to reach to the

In my case the 1% is an estimate after manually inspecting hundreds of TU uninstall logs over the course of more than a decade. I actually used to reach to the worst offenders with details on what their installers missed, sometimes they fixed it but most often they didn't care.