In an enterprise, even Linux on the desktop is standardized and you’re likely to find that the LTS options (Ubuntu LTS or RHEL) will cover most of the Linux users. And those that aren’t covered are probably used to finding their own way, if given the appropriate tools.
Sure, for everyday end users, supporting Linux can be a pain, but if we’re still talking Enterprise, there are only a few distros that would need to be covered.
