Moreover, every iPhone is 50% Samsung... thus? The iPhone is another thing... it's not just some hardware... it's a complex thing, a mix between hardware, software, genius, brand, ux interface, ergnomy, etc.
It's the same for a tv. It's the same for every object... you can say that every chair is made of wood... but every chair is different, some chair are really expensive an unique, others are cheap and mass market...
a tv is something that live with you for 10 years... it's not only technology, I've great problem to change my 12 years old Beovision 1...