I think Ukrainians have the right to do it, and it's not my call to make, it's up to them. I am torn on it, emotionally I understand it, but I think rationally it's possibly a wrong choice (as I explained elsewhere in the discussion).

Chomsky made a nice comparison with Palestine. Do Palestinians have the right to defend themselves against Israeli apartheid by shooting rockets at them from Gaza strip?

Regarding my POV - I don't want NATO to get involved as long as it doesn't have to, because I worry about nuclear escalation. That should tell us, try to get serious about complete ban on nuclear weapons in the future, because they prevent exactly the type of action that you propose.

If my country wasn't a NATO member, then military aid against Russian invasion to Ukraine would be more acceptable to me. It is NATO that is making us helpless - we are bound by risk of escalation into a nuclear war. Simply, NATO was designed to handle a different type of threat. (Not to mention, we IMHO have somewhat less efficient military because we partly outsourced it to USA.)

I don't think what I suggest as an alternative (sanctions, resistance) rewards aggression. Occupying Ukraine is a big liability for Russia.