As an American who has lived in the UK, I too am for metric measurements for everything; except cooking.
Even after two years living in East Sussex and travelling throughout the EU for work, I could never get used to metric cooking. It's just weird, stressful and unintuitive to me...
A pinch of oregano vs 0.1 grams of oregano, but if I'm cooking for one more person than the box says, how many more grams do I add? Do I need an atomic scale and a microscope yet?
It will always be just nuts to me how anyone can find cooking with grams, trying to get exact every dang time is fun and relaxing.
I'll take all the metrics but that.