I never claimed whether off or def would be weaker. I simply asked for arguments for "it would buff defenders massively".
I understand that you can move your def troops more easily around an area, especially if they come from far away, but same goes for off units so I don't see how one would be 'massively' better than the other.
About reponse time, you're not gonna have hammers hitting your treasury from a village next to them, you're gonna have few hours to respond at very least and your def troops should be close enough that they can respond to the threat, especially with forwarding. You shouldn't let your enemy develop a village next to your treasury.
But balance wise, I think it would buff roman DEF due to having much more maneuverable praetorians and also gaul OFF and ghost hammers in general.
Not sure how it would affect off/def balance.
you realise, anyone can make a multi acc, ask to relocate near an enemy target and just forward from there it would be ridiculous dude.