Now, I happen to agree with him on the idea that a rule-based global order should be the ideal, and a lot of what he says in that speech is along those lines.
It of course gets much more messy when you’re faced with war crimes committed by a state against its own people with the support of a veto member of the UNSC - the rules that exist aren’t working effectively. But you can have a respectful argument over whether the correct thing is to stick by the rules and thereby hope to reinforce the rules-based system, or to break with some kind of military response to make the point that some things are beyond the pale.
Corbyn’s own words are a much better indication of what motivates him than that thread:
https://mronline.org/2017/12/11/jeremy-corbyns-geneva-speech-in-full/
Now, I happen to agree with him on the idea that a rule-based global order should be the ideal, and a lot of what he says in that speech is along those lines.
It of course gets much more messy when you’re faced with war crimes committed by a state against its own people with the support of a veto member of the UNSC - the rules that exist aren’t working effectively. But you can have a respectful argument over whether the correct thing is to stick by the rules and thereby hope to reinforce the rules-based system, or to break with some kind of military response to make the point that some things are beyond the pale.