The thing about 'comprised of'

All editors (should) know for a fact that you say the whole 'consists of' or 'comprises' the parts; never, ever, ever, should the whole 'comprise of' the parts. This is one of those rules that are literally cast in stone. Or is it? The thing is, if no-one seems to be able to get it right, who is actually wrong? For an interesting discussion on this topic, go to http://www.economist.com/blogs/prospero/2015/04/johnson-grammar?zid=319&ah=17af09b0281b01505c226b1e574f5cc1