As a computer monitor, don't use TVs...
As TVs, don't use bravias...
They're not absolute rubbish, that was maybe an exaggeration. But there are other brands I would trust before them quite easily. They use Sharp panels which are not so great. They somehow think that the processing unit does all the work and the panel doesn't matter as much.
THis was probably done in order to compete with other brands and has flopped quite badly in my opinion. They are continuing on the good name obtained from the days when they used to make decent products. But in current times, there are better choices, so choose them.