They push updates to .NET if it’s installed. I can understand them not installing if it’s absent, because there’s no good story for what to do when that version

They push updates to .NET if it’s installed. I can understand them not installing if it’s absent, because there’s no good story for what to do when that version goes out of support. If they leave it, then customers have insecure unsupported software on their systems; if they remove it, they’ll break apps that depend on it.