You aren't taking everything into account, and this sounds a lot like your last "I think things should be this way."
Capital ships are used for defense, yes, but they are also used for offense. When Liberty/Rheinland war rolls along, by your standards, all of the Rheinland BBs in Liberty would be sanctioned.
Using capitals ships over GB class in hostile space should have RP reason, but then you get people saying "He can go there because he has "RP reasoning", but I can't? What gives?"
We have ZoI restrictions coming, but it's going to be a difficult and messy process.
