People staying somewhere for only 10 days have less concern about the neighbours, the building and the community.
The father probably wants his children to be able to sleep without interruption at the weekend, but is more likely to clatter up the stairs drunk at 3am during his 10-day business trip.
Did you say yes to that particular leading question?
Then why say no to renting it out to that same father for 10 days?
Exactly. The properties are being used for exactly what they were meant to be used for, living space.
Your statement amounts to
"can I run around in my backyard firing my weapons off in random directions? Well then why would you expect them to allow me to live there quietly?"