Only if you sit bolt-upright in front of the telly
Tilt your head away from vertical and your eyes will not be aligned with the plane of the TV: your brain will start to perceive two images like in the picture of the article than be fooled into the 3D effect.
Probably OK for sports events where you are engrossed in the action; but no good for lounging in front of your favourite soap, film, tawdry celebrity/pikey embarrass-o-thon.