Not a promise at all. Moroccans think it's okay to make promises, and not a big deal to not follow up on them.
''He told me this carpet is genuine Berber, but it's made in China. Moroccan promise...''
Vendor: ''My friend, I give you this free of charge''
Vendor: "That will be 1,000 dirhams"
Me: "Moroccan promise...."