If you’re going to organize your society around the theory that humans don’t actually possess free will, you’re going to produce a fair number of outcomes that a classical liberal would find abhorrent.
It's only assuming that free will requires effort to exert. They shouldn't be required to waste that effort on defending themselves from attempts to trick them into buying things they don't need.
The reason why we are even talking about it is what they said: people with a lot, lot of resources can prey on people. What’s one individual against an industry of psychological research?
