Any entity big enough to seize your laptop for analysis is also going to be able to look up the specification for any particular part in your laptop, and eventually this portion of the cat and mouse game will end.
Most of the people we're talking about just run off the shelf forensics software and have minimum actual expertise (the government doesn't pay well enough for legitimate experts doing it by hand).
But then again, very few people are crazy enough to modify computer hardware to protect their information. So both sides of this coin might be largely fictional.
I’m always curious what the breakdown is.