Is there a difference between stunning before slaughter or not?
Who cares? As I understand it, the ritual killing involves severing the carotid and jugular veins. It is supposed to be very quick and relatively painless.

Is the call for banning animal welfare or a racist agenda?
I doubt that it's intended to be racist. I do think there are some people who are genuinely concerned over animal welfare.

Should we be eating domestic animals or not?
Absolutely! I know, technically I'm supposed to be an omnivore, but give me meat! Lots of meat! Vegetables are what food eats.