|> not sure if the maker is still active or if it is possible for someone else to fix it.
) has no "this player has been inactive for x days" message on his profile, so he's still active on WL. (And no, generally it's not possible for someone else to fix a map. There have been a few instances of maps getting adopted though.)
|> IMO, countries that only share a corner (one vertex), but not an actual line segment should not connect. This map has some that do and some that do not.
That is your opinion, which you are perfectly entitled to. And even though most people seem to agree with you, it's still just an opinion.
However, it can indeed be argued that each map should at least be consistent, which is also not the case here. I've sent the maker the same feedback when the map was just published; if it hasn't been fixed yet, you might not want to hold your breath... :(