I would consider this different than a typo. It is a common misuse, where to some eyes it appears correct, while to others' (including mine) it jumps out as bla

I would consider this different than a typo. It is a common misuse, where to some eyes it appears correct, while to others' (including mine) it jumps out as blatantly incorrect, like saying "there" when you mean "their", or "it's" when you mean "its". And it isn't just a case of typical compounding, words/phrases of that general form are never compounded in verb form.