That is debatable:

https://en.wikipedia.org/wiki/Saudi-led_intervention_in_the_...

The Yemen war is/was pretty brutal, and SA happened to back the ousted president. The even called the war an "operation" (sound familiar?).

We could also go back further to Saudi Bin Laden support, which was conveniently ignored in all business deals.

Saudi attack on Houthis is not a threat to the Western world.

If anything, Houthis are even more backwards than Saudis.