Eeeeh, well that isn't what their (concealed IMO) section of their website says, so your BS radar has good reason to go off...
The pet policy can not be found unless you actually do a search on a specific place to camp. You have to click on a state, then click on a place, then the policy is a link on the bottom. Grrr...
KOA Campgrounds Are Pet Friendly Some visitors enjoy sharing the pleasures of camping with their dogs or cats. To ensure that all guests have a safe and enjoyable experience, KOA has established some guidelines.
Before You Go:
Call ahead. Check with the campground about its specific pet policies. Some don't allow pets in Kamping Kabins, for example, or may have limited pet units. Others don't accept particular breeds that insurance providers have identified as having a history of aggression. Bring your helper. Service dogs are welcomed at all KOA Kampgrounds. (Leash and aggressive behavior rules apply.)
When You Arrive:
Good behavior is required. Dogs of any breed that are hostile or aggressive will be asked to leave the campground, along with their owners.
Bring the leash. Dogs must be kept on leashes no longer than 6 feet when outside their owners' vehicles or rental units. Do not leave a tethered dog unattended.
Remember manners. Constant barking bothers other campers. If your pet is too vocal, you'll need to find other accommodations.
What a jerk....
Please enjoy the rest of your trip regardless
And keep that camera going!