I think big mac is better than lots of burgers that you can find around the world, because MCD is a multinational and invests lots of money in food safety,
it would just failed if we found poor meats .
Why don't you check my last story about best burgers in the world? :)
https://steemit.com/food/@notonlyfood/try-to-find-a-better-one-paninoteca-da-gino