While you are correct about it being a cheaper alternative, recasting sculpts is generally frowned upon by the collecting community, particularly in regard to custom made sculpts. It is probably technicaly illegal to do so in regard to the HT sculpts. However, I think there is much more negativity associated with their "cloning" the Rainman Fightclub guys than this. Folks seem to shrug when they see an HT sculpt being recast, rightly or wrongly.
I see now, interstingly enough he seems to have two ebay accounts, here is same auction under differnet name link
I wonder if that could be used to fix broken PERS