At DICE, he criticized pay-to-win practices and spoke about the future of crossplay during a keynote speech.
https://www.digitaltrends.com/gaming/epic-ceo-tim-sweeney-dnounces-loot-boxes-at-dice/
https://www.digitaltrends.com/gaming/epic-ceo-tim-sweeney-dnounces-loot-boxes-at-dice/