Earlier quoted context omitted.
Very reductionist comment- if you're an elected representative and you leave early to take a vacation knowing you'll be missing votes, you're not doing your job..
This. When I need to take my summer vacation, I need to request it to my manager in due time so the team can plan customer deliveries accordingly, and in my last day before leaving I need to do a handover of my open tasks to whoever will do the work in my absence. I can't just spontaneously decide one day that tomorrow I'm leaving for 2-4 weeks on vacation with no notice and no handover to my team. What's stopping ME…
Sure you can. What unstoppable force is going to prevent you?
You might find out there are undesirable consequences if you make that choice, but that is only if the employer decides to bring undesirable consequences. MEP employers in particular are generally apathetic about having an employee on staff. Extremely so — to the point that they won't even take a minute out of multiple years to say "hi" to the person they hired, never mind give any direction to the employee.
It doesn't have to be that way, but when the employer doesn't care, that is the way it will be.