As part of the devs farewell message on their site, they have included malicious code to make each visitor sends 2,000 requests to the dbzer0 servers in an attempt to DDOS and take the instance offline.
People who are attracted to computers often have emotional baggage. As a kid, I liked computers myself for that reason. I could escape the real world and have fun. The computer would do exactly what I wanted all the time.
Today, you have all kinds of emotionally unstable people using computers. The trans community are very much into computers as well, for the same reasons I did probably. Because it's a safe space when you are different.
And yeah, some people will use their tech skills to cause damage. Others to build something useful.