What's the use case for this? I guess it'd be more useful the deeper you get into their pricing structure such as with photos or business cards; but it doesn't

What's the use case for this? I guess it'd be more useful the deeper you get into their pricing structure such as with photos or business cards; but it doesn't seem like its priced all that competitively with established services. If this were a price-attractive campaign mailing tool...well then we're in a whole different ballgame. I could see Scrooge McDuck vaults of money being made in disrupting the last true bastion of postal mailing services.