Its actually an interesting topic. The majority of MHs for sale secondhand appear to be LHD ,obviously because Europe is a huge market offering buyers more choice, but RHDs being dearer may be a factor.
Personally ,I woulden't entertain owning LHD as we would only do a few weeks a year abroad and the other 48 ish at home where driving on Irish roads is so much easier. Presumably the majority to drive LHD in Ireland would disagree.