More like a clonecist, or maybe he just plain didn't like Kon (if he didn't call him Superboy, he called him "the clone" ).
But I say it's just people who can't really write Bruce other than "GRRR Hate metahumans! And my Parents Are dead!" 24/7, because really when Bruce first met Kon (in that hyperspace issue of the Superboy comic) he was really nice to him and respected him.