BetterUpNot so long ago, Brené Brown's ideas about vulnerability as a leadership virtue were not only uncontroversial, they were embraced in corporate America. No longer.Today, CEOs are conducting sweeping layoffs, dressing them up as productivity gains. They're ratcheting up the pressure on their remaining teams, cracking down on dissent, tracking their workers' every keystroke, and pouring billions into the all-consuming infrastructure of AI p…