Not really. These are refugees. Women, children, and disabled people primarily I'd imagine. What's actually going to happen is that after arrival in Ukraine, they'll be moved to Poland/Romania/etc to keep them out of the line of fire again.
The only thing this does is disrupt their lives again for no reason.
if unwilling/unable to participate in defense, they are logistically an addition to the civilian population who are directly in harms way and must be defended, housed, fed, etc. this is just one possible issue - I am sure there are others.