Releasing with this so-called license is a risky move. They should explicitly release the work into the public domain, using the words "public domain". Otherwis

Releasing with this so-called license is a risky move. They should explicitly release the work into the public domain, using the words "public domain". Otherwise it's not clear (from the perspective of software licensing, which will eventually come up in the life of every project) what they mean by 'No copyrights or licenses'.