He didn't say any of that, but the answer to your last two questions is a resounding "YES"! Read his last paragraph again. The increased cost had nothing to do with rocker clearance. Also, it's 2024 and the Trick Flow 190 heads still do not cost anywhere near $3000 dollars in the US. If you are implying that he was ripped off, just ask him if he feels that way. I'm pretty sure I know the answer. He knows (understands) why different heads were the practical choice and made the informed decision himself to make the swap.