Is sexuality necessary in a MOBA?

The League of Legends champion roster has been growing since day one. From human looking characters to void creatures, all characters are unique and fill a niche role. There have been fan fictions about character sexuality also for awhile posted on these forum pages. For example, Ezreal and Taric, and Diana and Leona. The thread title is rather straight foward. Do you think that sexuality is necessary in MOBA and for that matter video games in general? I understand it adds depth to characters and also draws people who are interested in lore into the game, but would people not play if there aren't certain sexualitites in the game? If you think it helps, hurts, or doesn't matter to you, please respond your thoughts.
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