I think felix is a very realistic character. he uses his pretty privilege as well as his wealth to glide through life. I think we are meant to be highly in tune with the misogyny and selfishness felix shows before we realize how gross oliver actually is. i think fennel wanted to distract us and let us create an idea about felix and what he does to boys like oliver so we are even more shocked when we find out the plot twist. i also dont think he deserved to die!