If you look it up, you'll find that "kerb" is the alternate, UK spelling of "curb". As Jean-Louis Gassee is French, it's not unreasonable to expect he learned U

If you look it up, you'll find that "kerb" is the alternate, UK spelling of "curb". As Jean-Louis Gassee is French, it's not unreasonable to expect he learned UK English rather than American English. Perhaps before we criticize the efforts of others, we should consider that not all English variants have the same spellings.