The crash will teach alot of people a bitter lesson and they will learn from it,
they will learn the following
1. Never to love a coin
2. Never to be greedy
3. To cashout on profit always
4. To stop following hype
5. To know that what goes up must come down etc
You are right, even with such a market situation, you need to learn lessons, work on your mistakes and avoid them anymore. Those points that you indicated are quite logical and should be considered in the future.