Mat 7:18 A good tree cannot bring forth evil fruit, neither [can] a corrupt tree bring forth good fruit.
Mat 7:19 Every tree that bringeth not forth good fruit is hewn down, and cast into the fire.
Mat 7:20 Wherefore by their fruits ye shall know them.
If I do not see every single one of these in a poster, I basically ignore what he has to say because it is not of the Spirit.