Re: Wow, it's almost...
"MPs are not delegates sent to do the bidding of stupid people who happen to be alive now. They have a duty to serve the national interest, and to honour the sacrifices of past generations and the interests of future generations."
For anyone not fully versed in the traditions of British Parliamentary Democracy, Edmund Burke's speech on the matter is considered a seminal text.
tl:dr - the MP has full independence in his votes in parliament