I get a feeling that Seren's dislike of Net boils down to "It's over Net, for I have drawn myself as a chad lone wolf and you as a soyjack that can only get things done by asking for help".
"You absolute fool, you demanded we leave this 10 km stretch of river, now you have given me legal recourse on the international community to annex your entire country and parade your head on a pike across your burned capital."