But humanity needs to be backed up by resources to provide to the new arrivals: housing, energy, schooling, medical care, jobs, etc. Those aren't in excess supply right now. Many EU countries have seen a Real GDP per capita stagnation since 2008. Since covid and the war, most Europeans have taken a ral hit on their wallets.

If you're stretched thin with not enough to go around for the locals, they might not accept your humanitarian efort towards outsiders as being in their best interest, and vote for some rightwing muppet with a funny moustache in your place.