i don't see anyone freaking about the hairless rats and cats and whatever else that's being bred. It's essentially the same thing - it's lacking the protective outer layer that evolved due to the environmental pressures influencing selection for the past few million years.

Since that environment ... *doesn't exist* in our racks and aquariums - i guess i'd say that so long as it lives an otherwise normal life, selecting for that gene is no worse than selecting for any other recessive gene.