Exactly. The author says because hosting companies are big they would never give information but this is a complete flaw. Google and Reddit are both known to hand information to law enforcement. Companies like digital ocean don't put as high as emphasis on customer privacy as companies likes PIA. On 90% of the service portals for servers I've purchased have had a message showing my IP was logged for safety reasons. So by making your own vpn you're just turning a direct link to you into link to a link pointing right back at you instead of thousands of people.
People are afraid to file share but not because of GEMA which for once has nothing to do with this. Right holders (especially of popular music, movies, and TV shows) connect to torrents and log who is also in the swarm (i.e. uploading and downloading). They then go to court quickly with your IP which orders your ISP to give up your name and address.