HTC is trying to encourage MORE people to switch sides (eny limits).
Why would they shoot themselves in the foot?
As to finding squad members, for most thats dead easy. .sr will list all the main arena's.
The scenario I've seen is where somebody lets their kid play on their account and they switch countries. The kid probably wasn't even aware of the concept of squad affiliation and country loyalty. Then when dad logs back in, he takes off to go look for a fight.. completely oblivious to the fact that he's in a different country.. finds a bogey, shoots him down.. and is terrified that he just blew away a squad-mate.
A few things happen.
1. The thoughts of 'How the Hell did I get over here'...
2. The PMs of 'What the hell are you doing over there??' from his squad mate
3. The speculation of traitorous action and ultimate squad loyalty amongst the rest of the squad present.
4. The flaming e-mails to the CO and XO about the treasonous acts of this side-hopper.
5. The dad finding his son and demanding to know how he got changed to a different country and did he change it.
6. The kid looking up from his game-cube and says 'Yeah, I got bored.' ( it was a while ago )
Now.. this may come across as exceedingly funny, but people do get emotionally bent from stuff like this. Especially if the people involved are subject to short fuses and they're having a particularly bad night. God help them all if the death was from an HO or vulch.
So. .I don't think it would be too much to ask for, at least, a pop-up box mentioning that the squad you belong to has been defined as loyal to country x.. do you really want to change countries? y/n.