If company wants to have your time outside work then should they pay for 24h instead of just 9-5? I find it fascinating that employees are okay with it. After 5

If company wants to have your time outside work then should they pay for 24h instead of just 9-5? I find it fascinating that employees are okay with it. After 5 it shouldn't be employer business what employee do. Some even forbid you from having a second job.