Talk about core reasons why most of our youths can't collaborate with each other to create some really nice project and innovation and you can easily trace it back the fact that a lot of them are too anxious to get it big and easily envy there fellow youths that is doing better than them instead of working on effective collaboration with them.
You have a point, envy and jealousy is a normal thing and friends can backstab each other to bring them down, also some will not want to collaborate in a project with friends that they believe is better than them out of intimidation. You need to also consider that some people don't collaborate in businesses with "friends" because of trust issues, they can have the intentions of collaboration but they are afraid of disappointments.
Cases of crypto theft are mostly product of betrayal from close friends that feels threatened by fellow youths success once they know you're holding much crypto than them.
This is true to an extent, wicked friends out of envy can connive with criminals to steal their friend's crypto but I believe that most times losing cryptocurrency is due to the negligence of the holders. We are advised to keep our cryptocurrency a secret and secure our private keys, if you don't announce your crypto nobody will know. Sometimes it is people that you don't know that will be the ones to kidnap, steal or harm you because you mentioned your cryptocurrency in a public place.
Even the increasing numbers of people going into cyber crime are in that number because of the anxiety to make it like other youths and the issue of unnecessary competitions among youths.
Healthy or necessary competitions brings out the best in people and that is how innovations starts but competitions to unjustly destroy other competitors reputation is bad. Going into cyber crime is a choice, I have seen many youths that have succeeded without going into crime.