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Well Ireland and Spain have also acknowledged Palestine today. I'm sure more will follow. I did read a few weeks back of some Caribbean and South American countries taking similar steps, or are working towards such recognition, Jamaica among them.
In response, there is a video now circulating of the hideous mofo of a scum-bucket that is Ben Gvir, standard outside of Dome of the Rock (of all places), basically saying that because of the recognition by said states, they're rewarding Hamas and is therefore why the IDF needs to continue and destroy Gaza.
Putting it through my candid BS translator, "because you've recognised the Palestinian state, we'll continue doing what we're best at - killing innocent women and children and committing war crimes - so that there is no state for you to recognise."
Anyone who is a signatory and doesn't comply will be tanking international law so while most will keep quiet and hope none of them choose to travel they would comply if push came to shove.
IANAL
The bigger deal is likely the acknowledgement of Palestine by more countries.