Not the publishers and distributors of posters for the film Shoot 'Em Up here in the UK, though.
Incidentally, I remember it being suggested once, in a History of the (English) Language class, that the form 'em might be dropping the 'h' from Old English him, heom, etc. ("them") rather than Old Norse þeim -- does anyone know if there is any evidence of third person plural pronouns with initial 'h' surviving beyond the Middle English period? And -- less probably and more speculatively -- I was wondering if dialect usage of [ən] for 'him' might go back to the Old English accusative hine rather than the dative him. Any thoughts?