Adam Neumann ran a $47 billion company barefoot, got fired, watched it go bankrupt, and his new startup is now worth 5x what all of WeWork sold for. The shoes joke is a victory lap. He cashed out over $700 million in stock sales and loans before WeWork ever filed to go public. When the IPO imploded, employee equity got crushed. His money was already out. Then came the round nobody could believe. In 2022, a16z handed him $350 million for Flow, a residential real estate startup that hadn't even…