So we're agreed on that; removing the UK's nuclear deterrent would not make the world safer in terms of a nuclear strike. There are many who believe it would make us more vulnerable, and the world less safe. This is why there is a consensus among mainstream MPs that Trident should be kept.
It wouldn't make us more vulnerable but I don't agree with your reasoning. I don't think some imaginary nuke-wielding fundamentalist state would consider nuking the UK just because we ourselves have nukes.
So we're agreed on that; removing the UK's nuclear deterrent would not make the world safer in terms of a nuclear strike. There are many who believe it would make us more vulnerable, and the world less safe. This is why there is a consensus among mainstream MPs that Trident should be kept.