Leila spent the whole day ruining Dylan's day. She casted the guy various bad luck upon his being and made sure to appear to him one in a while. That effectively made him too bothered to be smiling his signature smile.
Harvey, who was aware of the inside information, only sighs at Leila's antics. As long as there is no harm done, he will not be calling it out. He is also having fun seeing the guy's suffering. No way he is letting a rare private entertainment be gone because he is being nosy.
The rest of the student population became aware of the man's situation in just a single morning the moment Sophie. Sophie's network is really too broad for this type of incident to not spread. As most of the members of her task team, they are idle nowadays that they practically turned into a gossip hub for their own leisure.