There's a few examples of entities like Jehovah's witnesses making do-not-visit lists that have been considered as a personal information database and such have been in hot water many, many times about that. Yes, even though you might do them to help you personally, you're acting as an agent of the org you're associated with, and such you're not supposed to be doing that.
this is antisocial manipulative behavior normalized under the auspices of "good business".
It has been normalized to you.
It is not normal.
If you ever showed up at my business with something like that, we would never meet again, and I would tell all of my peers, other businesses, etc.
What you're doing is called PsyOps and it's a military function.