Buyers would just be fucking themselves over as for the most part if any service is needed of a product that is not made for sale within japan the company is within its rights to refuse servicing it.
So in short people would be SOL with getting repairs if anything breaks on their imported unit.
People dont need to import as its possible to get units just not at the standard retail price. Generally a 100-200 usd markup.
Amazon Global doesn't even work with our Amazon accounts, in general it is just a hassle to import things nevermind the extra expense.