Selectively edited videos are not proof of much of anything and can be used to make things appear what they are not. Rodney King was not shown attacking the police and resisting arrest yet after the RATmedia did its job it looked as though the police were going apeshiite.
You don't get it, do you? The fact that Terri does what she does there is proof that according to Florida law, she is not PVS, by the Florida statute definition. I pity you that you do not see cognizant life in that video of Terri.