Yes, a lot of the maps you posted have the same issue of everything being focused on essentially middle. The map gen seems to be predisposed to putting impassable stuff around the sides in maps. This can be fine in 5x5 (hard to make 5x5 gameplay not revolve around efficient engagements in X location even in authored maps, and adding even just some small impassable terrain can drastically change how a map functions) or 20x20 (lots of extra room for error in terrain with it being 4x the size of 10x10, not to mention all in spam is way harder to abuse). But I think almost every 10x10 in the tournament and all the ones you posted barring the 2nd revolve around the same sort of walk mid with spam game plan.
TLDR: make it harder to directly access opponent base thru mid, make the externalities of maps more valuable.