Exactly, unfortunately there are a lot of reputable tuners out there who still don't seem to understand that.

I have a friend who has a very good understanding of the subject and its quite shocking the amount of other peoples work he has to rectify, and I'm not talking budget builds either, seeing it with my own eyes is shocking but also very interesting as you get to see how even the simplest of changes make a massive difference to a cars driveability, its made to look very easy by someone who understands how a engine works more than how to make it make big numbers, anyone can do that.