I could be wrong but i see those issues you pointed out as the employers problem not the employees
Your right, you're completely wrong.
If employee needs to leave 10 mins early each day for whatever reason then the employer simply should accommodate this
You would have to see this written sentence to believe you actually said it.
they cant be that dependent on 1 person,
You really have be cocooning in your career. Now I could be wrong, but, do you or did you, work in the Private sector? Because, thats the sort on nonsense you may expect in the Public Sector.