samsung lcd's also are built like crap. one after another, their electrolytics die (fake china caps; like so many others).
but dammit samsung, why do you have to be SO cheap??
Because when something fails, most users will buy a new one instead of repairing the last one... and guess what... probably they will buy another samsung device! So instead of selling one TV each 15 years, they sell one each 3-5 years... even if just 1/3 of original buyers buy again samsung, it is still a win situation for then.
Of course, the solution is to first repair the old devices (samsung is also making sure that it is harder and harder to do that! thin devices is the excuse to use hard to replace hardware... see apple and how to repair their devices) and when buying, choose a little more expensive tv (many of times just 20$ to 50$ more) from other good brand. If something fail in short time, complain to that brand and buy from another brand.
If known brands use the same quality from cheap chinese brands, then there is no need to buy known brands