The focus on improving the existing product over introducing new features is happening as the CEO grapples with a massive company pivot to the metaverse, a change that's happening as Facebook faces a slowdown in its core advertising business and the departure of his top lieutenant, Sheryl Sandberg.Horizon Worlds has 'not found a product market fit'Issues with Horizon World include a "confusing and frustrating" onboarding experience, Shah said in one memo, The Verge reports."We're confident that the metaverse is the future of computing and that it should be built around people," a Meta spokesperson said in a statement to Insider."Of course we are always making quality improvements and acting on the feedback from our community of creators.Zuckerberg was mocked online in August after he shared his Horizon Worlds avatar to users in France and Spain, the quality drawing comparisons to video game graphics from the 1990s."