[philistine]

People are appropriately scouring your position because there was exactly what you are imagining: a population, living West of the rest of the UK, lobbing terrorist attacks at London. It's just that it was the Irish, not the Welsh, doing the attacks. History has given reason to the IRA's despicable methods; once the British got tired of the unionists' intransigeance, they sat down at the negotiation table and hammered a real deal to really end the violence.

The Palestinians engaged in violent warfare against the Israelis studiously study the IRA and the results they got. So your example is actually an example that proves that the Palestinians' methods could lead to success for them. You'll have to try again.