The parent poster was explicitly mentioning those willing to pay a premium. If people aren't willing to pay a premium for a niche product, that's explicitly telling the market that this niche shouldn't exist as a separate niche and the cheaper mass-market solution will do just fine.
Yeah, I looked at those last time I replaced my TV. You also need to be able to locate a reseller who will sell to private individuals, which can be difficult in some location.