The only valid argument I've heard is the one where in future, it might lead to centralisation if the hardware requirements to run a full node are too great for the average user.
GIANT TEXT MAKES ME LOOK CLEVERYou've got a great career in politics. Fantastic talent at avoiding the issues. I would wait around for an actual reply, but I know you don't have one. At the end of the day, there's going to be a fork and for all your mindless bleating, you're going to come quietly in the end.