Since no one sat them down and specifically said, "Don't do this, its wrong.", they thought that the cheating was alright.
They're ball players....... and not mental giants like making the correct decision would have required them to be
Kinda like the New England Patriots. Been cheating for YEARS.
"Allways speak the truth and you will never have to remember what you said before..." Sam Houston Texans, "We say Grace, We Say Mam, If You Don't Like it, We Don't Give a Damn!"