Because they were initially inflated to the high end of the range and never fell out of the range.
Belichick explained exactly what they did, got the exact same results without any foul play..... again... Explained it in detail... And then told everyone to go try it for themselves.
Are you kidding???
Do you think he would do that unless he was 10,000,000% sure that was EXACTLY what happened?
So take your "ewwwww the the colts blah blah blah" and cram it in your cram hole
Belichick explained exactly what they did, got the exact same results without any foul play..... again... Explained it in detail... And then told everyone to go try it for themselves.
Are you kidding???
Do you think he would do that unless he was 10,000,000% sure that was EXACTLY what happened?
So take your "ewwwww the the colts blah blah blah" and cram it in your cram hole