Em...Sony has pretty good TV's. Especially in mid-range category. They are not lagging behind in any way. Sony's TV has pretty OK input-lag. Like this one. rtings.com recommends Sonys XD800 as a best mid-range 4K TV.
rtings.com/tv/reviews/sony/x8 00d
And also, rtings.com recommends Sonys XD800 as a best mid-range 4K TV
WTF is this article? Sony is the first company who had introduced OLED TV almost 10 years ago. And also Samsung doesn't have OLED TV.
And also back in 2013 at CES, Sony was the first who had introduced first 4K OLED TV :
www.oled-info.com/sony-oled