In a few years I expect only the United States will automatically rubber-stamp anything Israel does–while the rest of the world will be critical of Israeli actions.
Considering there are 650 seats in Parliament, it sounds more like “bored backbenchers saw an opportunity to make a token statement” than any real shift in the political landscape.
If there are 650 seats in the British parliment, then that means only 44% of the members even voted on the resolution, and only 42% voted in favo(u)r of it.