If it’s a small % of BF3 ST holders that are completely against the idea, with a sizeable majority happy to move to relocate I think the club will move all and deal with the backlash from a small %
If it’s a sizeable majority of those in BF3 completely against it and not wanting to move, I think that’ll be the clubs ready made excuse not to do what you’ve suggested
One thing that needs considered is what if all those in BF3 say they support the idea but they wish to remain in their seat to take part? What happens then
This could all have been avoided by introducing rover tickets for the whole of the BF.