These days very few politicians at gvt level have done a decent day's work, or got to know ordinary people. It used to be that a fair proportion would have come up from working in a factory and joining a union, or from being the daughter of a grocer at a time when women could be accepted on University STEM degrees, (Chemistry), or even from being involved in managing a large farm estate owned by their DF.
No-one seems to realise that things take time, either. Add one 5 minute task to a teacher's daily workload, and after 12 working days that's an hour it has added. Now let's add lots of other little things - after all, it will only take a minute, won't it
The Civil Service, being an excellent institution, do realise the logistical ramifications - it's part of their job. This is one reason why, AFAICT, they are currently tearing their hair out...