Teachers teaching in an institution don't teach out of experience but out of what they have learned and understood.
Learning by books will not give you full learnings since you need to experience those technicalities what bitcoin could possibly show up to you. That's why its important also to learn thru experience since this will make you became more better investor.
Market is unpredictable and we should know how to deal with the situation, since it could help us do good decision especially if we are facing uncertain things on the market. Its common for bitcoin to have pumps and dumps that's why its good for people to have experience in this situation so that by next time that scenario occur it cannot affect their decision to accumulate and also continue to hold. So use all things that can help on your investments since this is more better for people to learn a lot of things on bitcoin, since this make them became more better or knowledgeable investor.