There are very few take-aways that you can't do better at home for half the cost.
The market leader in a particular category is generally not actually that goood quality: eg Domino's, Ben and Jerrys, KFC, Coca Cola. You can get supermarket own brands that are better than all of them.
Most people couldn't tell the difference in a blind taste test between, well, almost anything.
The food you can get in the UK - either in restaurants or the supermarket - is the highest quality and most variety in the world. Only France and the US come close.