In an interview with SI.com John Cena stated that the audience is changing out there and he sees much more children in the audience. He says the move was totally his call.
WWE now has a PG rating and this also might have something to do with the name change. However I do not know that for a fact. and yet he still does the STFU...
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Attitude Adjustment
Because WWE change to PG in 2008, which meant that the FU (which means "F**K YOU") had to be changes to a more suitable name, therefore we have the Attitude Adjustment
He has 2 movies out right now. The marine & 12 rounds(now in theaters)
John Cena Finisher's (2002-2008) FU (2009--) Attiude Adjustment (2002-2008 STFU 2009-2010) STF
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