Anyone played Twister
This is how I see ca7.2 in H808.
Learning requires something from each of the quartiles (if I can call them that).
To study something you are familiar with in comfortable surroundings is one thing, but to study something with which you are not familiar in an unfamiliar setting has its values too because you have to make more effort, you gain insights, you may make mistakes and learn from them, or achieve something unexpected and feel rewarded for that. All of this can be planned for by your tutor. Why else the school-trip? Why else the brain-storming trip of business managers? How else did a team of advertising creatives come up with the line 'Refreshers the parts other beers cannot touch?'
Depending on the group and the course, or the desired outcome I see the value in putting a task or unit in any or each one of these