Idioms describing people's lack of judgment

Follow the crowd. Follow the wind. Rake your ears. Be deceived. Only experience. Be divorced from reality. Only know the appearance. Do not distinguish between things. Indecision.

Hesitant, partial to listening and partial to believing, blind to horses, blind to images, preconceived, blind, superficial in understanding and understanding.

Shallow experience, suffering from loss, discontinuity, logical confusion, conformity, dogmatism, bookishness.