Hornysimpo -

Or self-referentially:

The "helpful" part of Leo’s story wasn't just in the praise he gave; it was in the environment he built. He taught the community that "simping"—traditionally a term of derision—could be reclaimed as "sincere investment in people." By the time Elara held her first local gallery show, the entire moderator team was there to support her. hornysimpo

Another angle: the term could be a parody or a satirical take on academic symposiums discussing topics like sexuality, combining "symposium" with "horny" for comedic effect. It might be a way for people to engage with serious topics in a more relaxed, humorous manner. Or self-referentially: The "helpful" part of Leo’s story