Marketing by retailers can go too far; this claim should be no surprise. That this has been so even when the marketing comes at the expense of existing customers may be less well-known and thus be in need of some elaboration. The underlying culprit, I submit, is psychological: difficulty with keeping within even societal and even self-imposed constraints. Put simply, the difficulty is with limits. The mentality is thus at the child-stage of development.
The full essay is at "When Retail Overreaches."