Which prominent businesspersons have backed idea of longer work weeks?

L&T Chairman SN Subrahmanyan suggested a 90-hour workweek and working Sundays for employees. Infosys' Narayana Murthy had suggested a 70-hour workweek and billionaire Elon Musk has repeatedly called for employees to work 80 to 100 hours/week. Billionaire Bhavish Aggarwal dismissed week-offs as Western concept while entrepreneur Anupam Mittal said work should be only thing employees have time for.