Stress is a major motivator for everyone. Giving a fake overly optimistic deadline means that for every single project, you feel stressed (because you are missing a deadline) and work faster. You don’t finish on time, but you finish faster than if you would have given an accurate estimate. I don’t know how many people internalize it, but I think it makes sense that a manager would want you to “promise” to do something faster than possible—it’ll just make you work harder.
Taking this into account, whenever I am asked to give an estimate, I try to give a best-case estimate (which is what most people give naturally). If I’d take the time I spent aimlessly on my phone into account when planning, I’d just spend even more time on my phone, because I wouldn’t feel guilt.
Stress is a major motivator for everyone. Giving a fake overly optimistic deadline means that for every single project, you feel stressed (because you are missing a deadline) and work faster. You don’t finish on time, but you finish faster than if you would have given an accurate estimate. I don’t know how many people internalize it, but I think it makes sense that a manager would want you to “promise” to do something faster than possible—it’ll just make you work harder.
Taking this into account, whenever I am asked to give an estimate, I try to give a best-case estimate (which is what most people give naturally). If I’d take the time I spent aimlessly on my phone into account when planning, I’d just spend even more time on my phone, because I wouldn’t feel guilt.