I think GvG in sPVP would make sPVP in general much more interesting, I don’t think the Capture Point meta is that interesting. In my opinion having large scale battles in GW2 is much more interesting than 5v5.
If you have hotjoin and 5 v 5 tournaments as way of practicing for GvG matches they would seem less pointless. Perhaps there could be monthly tournaments for GvG. I think this would really stimulate the e-sports aspect because GvG isn’t a common e-sport aspect.