Along_the_Wire they’re behind in tech and they’re lumpy both financially and physically. I used to love Sony TVs, but they’ve been asleep at the wheel for some time
Couldn’t help but read this in the voice of Partridge . You are right though, I think it mostly boils down to the fact that they’re reliant on other companies for the panels.
https://www.rtings.com/tv and the TV geek forum on https://www.avforums.com are both good places to do some research.