I can’t speak for halal, but kosher is how Jews slaughter and what G-d told us to do/eat. There’s no changing it, but they can try ejecting Jews (cv’s) and see how their political/national fortunes turn. He who curses the Jews...
And certainly that was the best solution at the time He was so directing you.
I don’t know whether it still is, but if it isn’t I side with those who enforce the kinder solution. But I probably see a difference at times with the spirit and the letter of the Law and go with the former, whereas you probably don’t.
Halal is identical. I had a neighbor in Germany who’s brother ran a halal butcher shop in Kreuzberg.
The biggest difference; Muslims can enjoy a cheeseburger - there’s no prohibition on mixing meat and dairy products.
Of course, neither Jews or Muslims can enjoy a bacon double cheeseburger.
Advantage: Goyim. :)