Yeah, that's why you should always "Bing it!" first.
But the fat guy was promised all you can eat for a certain price (which he paid). Is he not then entitled to what was agreed upon?
Put another way, are you asking for sympathy for the restaurant that advertises a potentially money-losing offer, regrets it, but continues to offer it to new customers anyway?
To be safe, you should never show ads if your domain name is close to an existing trademark. Especially if it's a reasonably valuable name that is worthwhile going after, whether generic or brandable.
If you own apples.com and a Mac ad showed up in the ad feed, you'd significantly hurt your defense in the UDRP process if Apple submitted screenshots of it. The panel lawyers are notoriously inconsistent and this would just give ammo for them to approve the transfer. Even if your registration was earlier than the date when the trademark was granted.
Having said that, there are attorneys like John Berryhill that could still successfully defend the UDRP. But if we're talking about a defensive posture then ad feeds should be watched closely or not used at all.
Excellent point, neglected to mention that I put on a respirator mask while blowing it out.
A right is not what someone gives you; it's what no one can take from you. -- Ramsey Clark