If I feel strongly I say it. I know I can do more good by being vocal than by staying quiet. I'd have a whole lot more money if I lied but I wouldn't enjoy spending it.
Fudging the data in any way whatsoever is quite literally a sin against the holy ghost of science. I'm not religious but I put it that way because I feel so strongly. It's the one thing you do not ever do. You've got to have standards.