many reasons. perhaps his use of private planes that would seem to go against his global warming climate change agenda. or maybe his saying that america needs a $15 minimum wage whilst paying his interns $12 an hour. or that a great amount of his message screams against wealth and privilege?
also, it doesn't seem like Democratic Socialism (or whatever you want to call it these days) would allow for him getting over $7mm in campaign donations while his opponent received less than $200k. but, i digress. he is really no different than any of the other congressional critters.
you really believe a lobbyist helps you, huh? alrighty then.