If it isn't even made with the same ingredients, how can it be related by anything but name? I've traveled to Thailand quite a few times and AFAIK the sauce is

If it isn't even made with the same ingredients, how can it be related by anything but name? I've traveled to Thailand quite a few times and AFAIK the sauce is not called "Sri Racha" there. The American sauce is just named after a town from a region that is known for spicy sauces generally. So they don't even share a name.