Is Jonathan Sumption an Executive poodle?

Is Jonathan Sumption an Executive poodle?

A criticism levelled at the US Supreme Court is that the judges are political appointees.

It has been said that the law is an ass. This is just an assumption, but could it just be the case that Jonathan Sumption QC's appointment to the UK Supreme Court is a political appointment? In other words, is he the first of the Executive's placings to pack the bench with the intention that the UKSC becomes the Executive poodle?

Jonathan Sumption has already spoken out against human rights and the courts and how they should decide in favour of the government.