Reversed speech

It is believed by some ,if you play a person speaking backwards , you can sometimes hear the subconscious thoughts of the speaker. Is this true? , or , just , comical coincidence? You be the judge.
These are a few soundbites from past decades that : turned up something when played backwards.

-Glenn Beck , from : the Glenn Beck show
-Wyclef Jean , from : Yele Haiti press conference
-Barrack Obama , from : Chicago 2008 (acceptance speech) "yes we can" translating into : "thank you Satan" was widely reported by the right wing moral majority as proof he is the anti-Christ. As you can hear ,if you listen carefully , the audience saying : "yes we can" also translated to "thank you Satan" when reversed. This would lead one to believe any use of the phrase "yes we can" becomes "thank you Satan". Does this make Bob The Builder satanic?,again, i leave you to judge.
What i consider the gem in Obama's reversed speech is : "it belongs to you" translating to "we used all of it". The comical irony made listening to hours of footage in reverse almost worth it.
-Orson Welles , from :Paul Masson wine commercial outtake.
-The Ultimate Warrior ,from : Wrestle-mania® pre match interviews
-some lady with a camera , from : the "vietnam tom" viral. This one is a little dated. Two old guys got into a fight on the bus , the black guy got beat up,um....if you don't remember , you would have to research "Vietnam Tom"
-former BP executive Tony Hayward ,from : American television interview.