"This shit will fuck you up six ways from Sunday but we make a ton of money off of it so ask your doctor..."
Not in the US, of course.
Something to keep in mind: not all drugs are bad. And even those that get a historical bad rap are ok in _moderation_ - some drugs are very helpful and necessary for certain conditions.
If drug ads and/or neuromarketing can improve patient outcomes by improving the likelihood that a patient complies with treatment, then is that all that bad?
Because one thing is more harmful doesn’t mean the other doesn’t cause harm.
Then we could debate whether targeted assault at free will is in principle bad or not.
As it is, neuromarketing is not used for good. It's used to exploit people.
It's like asking if killing random strangers on the street is straightforwardly evil, because there's a remote possibility that they're all alien shapeshifters out to destroy our way of life.