Agreed. Maybe a better way to phrase it would be:
Q: Why does this knife have a handle? A: Because it was designed so that you can grasp it without cutting yourself.
Q: Why does this knife have a handle?
A: Because it was designed so that you can grasp it without cutting yourself.
This fully answers the question and doesn’t make the temporal relation between the creation of the knife and the usage of the knife unclear.
Agreed. Maybe a better way to phrase it would be:
This fully answers the question and doesn’t make the temporal relation between the creation of the knife and the usage of the knife unclear.