i also think it's not a matter of rich or not rich. i know a lady who is super rich (always see her family in magazines). she also uses fake stuffs. e.g. she has a few technomarine diamond watches (it was a few years ago when Technomarine was very popular), some fake and some real ones. Also, I know some celebrities go to Lo Woo Shing to buy fake handbags a few years ago.
I am not rich, but I am certain that friends who know me well believe that I do not use fake stuffs even though I wear them. maybe self image overrides the brand/style