Linux is for people who know how to customize or at least be open about others' customization
Citation needed.
I've no objection to LightDM existing. I've no objection to people choosing to run it if they find that it fits their needs better in some way. But replacing gdm with it by default on a Gnome-based distribution is a demonstrable reduction in functionality, for what benefit? git took a completely different design philosophy to bitkeeper, and its benefits are more in that than in the implementation. LightDM is effectively just a rewrite of gdm with a different API between the greeter and the daemon.
Re: And now, for an examination of YOUR misunderstanding.
Citation needed.
I've no objection to LightDM existing. I've no objection to people choosing to run it if they find that it fits their needs better in some way. But replacing gdm with it by default on a Gnome-based distribution is a demonstrable reduction in functionality, for what benefit? git took a completely different design philosophy to bitkeeper, and its benefits are more in that than in the implementation. LightDM is effectively just a rewrite of gdm with a different API between the greeter and the daemon.