Its all of what you said. For future designs always try exclude the big tower, its just to OP and laggy af.
Another thing, the cartel on the very north of the map. The castle, above meth lab, is to difficult to push, its way to easy to defend as there is so many highpoints that you simply cant get to without being seen/shot. Im not to sure what could be done to balance it other than to maybe add a couple deerstands on the outside for the attackers to get