When teaching mathematics, it is good to give students a chance to discover some things before you tell them the official solution. Discovering something on your own makes it easier to remember; and in case you forget, it is more likely you will rediscover it. Also it teaches you the meta skill of discovering things. And it feels higher status than merely memorizing what someone else told you.

clicking on things before you understand them will make apparently random things happen

That's how I felt using Blender as a beginner. (It does not help that the left mouse button does some weird thing, probably depending on context. No, it's not selecting things and dragging them.) :D

Availability of experts and the belief that there is a right way to do something inhibit experimentation; focusing on imitation prevents discovery.

Related: "Science" as Curiosity-Stopper. With the addition that it's not just "Someone else knows the answer", but also "And you are doing it wrong".