They went toward George, the editor, seeing Lionel as a thing to be dealt with that he could have his way with instead of dealing with him as an individual.

When George first approached him from the perspective of an "it" that could help George get to the next level. Lionel's blackness was the "it" and everything else about him was negligent. George approached him in a way that suggested he could belong to the group but from day one, without provocation, the editor solicited him in ways that were improper. It culminated in him disregarding Lionel entirely by taking him to the party. Despite all that was going on in that moment, including Lionel's obvious discomfort, George minimized the environment, pounces on him, and attempts to "seductively" call him a hershey bar - a thing.

As far as the kiss during the fight, well Kurt had been tormenting him based on his being gay from the beginning. It was a cheap shot in a moment of powerlessness.

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