Which is kinda funny on a laptop. If some authority told you to unlock a device and it did have a plausible deniability encryption system - no one is going to believe that anyway.

For a USB drive or a file, sure, feature. For a laptop, “duh, it’s encrypted” is going to be the first thing anyone considers. Not “well, I guess the laptop has no data on it at all!”

Metadata includes file names. If you have a file on your computer called proof_nsa_is_doing_illegal_stuff.pdf, that would significantly help a prosecutor trying to convict a wistleblower even if they can't get the file.