This was not written by lawyers. Law students... maybe, but not actual lawyers. It reads like someone who has seen property transfer contracts but hasn't actually used them in the real world to transfer intangibles.

>>Seller agrees to honor the spirit of this agreement

Big red flag there. I have never run across anyone with legal training using "spirit" language.

>>ignorance of any consequences ... will not invalidate the enforceability

More novel language not from any legal treatise. And, by way of further example, a lawyer would have dropped the useless "the" before enforceability.