Originally Posted by pla
Calling it corrupt is a bit exaggerating. Home bias always existed, and will exist until the technology evolves to a level it will no longer need a linesman. Humans are biased, even at a subconscious level. I am sure the linesmen don't even realise they are doing it. It is as it is- our senses are not perfect, and the analysis of the data they "send" to our brain- even less.
I think many chair umpires forget to overrule in non-hawkeye events because they have gotten a bit lazy.