Hasn't this position mostly to do with the ego identifying with one's thoughts? I mean you must assume that your beliefs and thoughts are "more real...
Sorry to bust in. Just curious, who are you? Is 'you' just a concept you use to justify your selfishness and greed? Do you think you start the moment...
A true sense-perception certainly exists, but it always looks as though objects were not so much forcing their way into the subject in their own right as that the subject were seeing things quite differently, or saw quite other things than the rest of mankind. As a matter of fact, the subject perceives the same things as everybody else, only, he never stops at the purely objective effect, but concerns himself with the subjective perception released by the objective stimulus.
(Jung on Si)