But what is the problem?
When you run some sort of SilkRoad website, I doubt you can ride it long just because you happen to incorporate in Delaware. After all, its still a part of USA.
I think it is a huge problem, because it makes corruption easier and if you put enough anonymous companies between you and what you do, nobody can find out what you are doing. At least those people hope they can. That is why a public register is important. Companies were never a tool for being anonymous, they were always a tool of distributing risk.
The NGO Global Witness is fighting anonymous companies for years now https://www.globalwitness.org/en-gb/campaigns/corruption-and...