Color TV! And Other Signs You Don't See Often Anymore...

Diner’s Club.

“Let me live in a house by the side of the road, and be a friend to man.”

I think it’s just evoking the homey, hospitable idea.

Signs for motels:
Kitchenette
Sunday Service
Laundry
Swamp Cooler

I’m guessing there’s some indie motels or backwards franchises, or bed and breakfast inns, that don’t offer free Internet access.