Earlier quoted context omitted.
Merely publishing these deals enriches Loopt at the expense of the business -- even if none of them take it. Loopt is building a mailing list of people using the business's brand name and causing customer service issues for them. I've forward to this to some friends in the payments space. This might be considered credit card fraud because they are also taking people's credit card numbers in conjunction with a service…
Merely publishing these deals enriches Loopt at the expense of the business -- even if none of them take it. That's not true. Unless this is genuinely valuable to enough businesses, it won't be sustainable. If too few businesses accept the offers made to them by buyers, the buyers will find the service useless and won't recommend it to their friends, and traffic will dry up.
It should also be noted that Loopt picked really high profile businesses like Bi-Rite and Ritual Coffee. These places usually have lines and don't have much need to run large discounts.
If Loopt had picked obscure businesses, it would make it easier to claim they weren't trying to benefit from the business's good name.