Contradiction with Genesis 1:26
Humans have dominion over all creatures, but Daniel 4:13 speaks of a watcher having authority.
Genesis 1:26: And God said, Let us make man in our image, after our likeness: and let them have dominion over the fish of the sea, and over the fowl of the air, and over the cattle, and over all the earth, and over every creeping thing that creepeth upon the earth.
Contradiction with Numbers 23:19
God is not a man that He should change His mind, but watchers imply changing intentions.
Numbers 23:19: God [is] not a man, that he should lie; neither the son of man, that he should repent: hath he said, and shall he not do [it]? or hath he spoken, and shall he not make it good?
Contradiction with Psalms 8:5
Humans are made a little lower than angels, suggesting no direct interventions like a watcher.
Psalms 8:5: For thou hast made him a little lower than the angels, and hast crowned him with glory and honour.
Contradiction with Isaiah 55:9
God's ways and thoughts are higher, but Daniel 4:13 mentions divine intervention via a watcher.
Isaiah 55:9: For [as] the heavens are higher than the earth, so are my ways higher than your ways, and my thoughts than your thoughts.