Lie detectors do not have a good track record for making things better. If you want to catch criminals there are many other ways. If there was a murder near you would you want people trying nuero-tech on you?

Imagine this being used on homosexuals in the middle east. Or imagine it being used on the modern day equivalents who most view similar to how homosexuals are viewed in the middle east. To take away the ability to pass is extremely dangerous for at risk minorities.

And everyone should fear because such tech could also be abused to falsely accuse you of being in some hated group. Police lie about drugs often enough to be a threat to liberty; they need less tools they can lie about, not more.