Performance and telemetry if you don't need anything Windows-centric like games are very good reasons. Upgrades though? Even if they are not explicitly forced I

Performance and telemetry if you don't need anything Windows-centric like games are very good reasons. Upgrades though? Even if they are not explicitly forced I'd bet way more people (as a %) are fine using XP or 7 today than whatever version of Ubuntu or other popular distros came those years.