I suppose. But I think, minetest as a project was strengthend by its proximity to minecraft. The big reason you pick up luanti is that its like minecraft, but free and with more modding freedom. I dont think this is bad thing to be reflected in a name. But good luck to them, maybe they can pull the name change off without hurting their public recognition too much.
Uses MIT license, complains that it does not offer the GPL protections…
Well…