You can be sure once MLS expansion is closed, or thought to be, other clubs will be targets.
If relocation is allowed for the Whitecaps, it sets a precedent that would very likely start a chain reaction.
There's clubs and there's franchises. MLS needs to decide what it wants.
A reminder of Vancouver Whitecaps history which predates MLS. Teams with such history are rare in North American pro soccer, so they should do all they can to #savethecaps