[MartinMcGirk]

Well, not to undermine the gist of your point (which I agree with) but instead of voting for a party per se, you actually vote for a local Member of Parliament, who can be a member of a party or not, and is free to switch party whenever they like as they sees fit.

[robin_reala]

Sorry, yes of course! It’s the switching of parties that I always forget is possible.