I guess I kind of see it like this: if it's this specific sort of situation, where you're trying to hack it into an old codebase, it's probably fine....
Parsley has a fresh peppery flavor that's oil-soluble. It's not overpowering, but it doesn't need to be. It's kind of like bay leaves. It's always ok...
Canadians and Americans use the same units for baking. We both use Fahrenheit, cups and spoons, with grams for people with more equipment/experience....
What you think if someone said "hey man, you like bananas, right? how would you like something that tastes kind of like banana, but worse?" and then...