The clear positioning of reality TV is to cast morons characters that will allow spectators to be less stupid flattered. There is also the whole niche of Benjamin Biolay: make a simple music, and syrupy words stuck in a popular and easy poetry, so that the listener is flattering to pin all.
Most texts are bad, and some have a decent riff music (hence my 2 star).
As for his vocal technique (depth, diction and above), it is so bad that even a well darkened blackboard ...