Note, that's not the world I like to see. It's just the world we have.
But pointing out the outright hypocrisy of certain parties actions, vis a vis international law, natural law, or even "what if we flipped the tables?", is always worthwhile (I hope). Even if it's just shouting into the wind
There was only one Holocaust, the Shoah. Even if the Gaza events qualified as a genocide, a label that can be applied to many such events throughout time and place, that is still not a Holocaust.
> Extensive destruction of a group of animals or (especially) people; a large-scale massacre or slaughter.
However it's discussed if "Holocaust" is a good term to describe the Shoah:
> This use of the term has been criticised because it appears to imply that there was a voluntary religious purpose behind the Nazi actions
The people who support this are not liberals when it comes to international affairs, even if they might be (but often are not) liberals at home. They know that they're violating international law. But they don't care because they do not value international law as it is currently constructed. They see it as an unjust imposition, made up by a bunch of lawyers and diplomats, that prevents them from securing their own interests.