It wouldnt take someone very long to figure out who I am.
Agreed.
If there was an actual issue with a post, like an incriminating post.
The criminal would be found through IP Address and location and special technology that many of us aren't even aware of.
Especially if you use your cellphone or home computer, even a public library computer. There's no real anonymity.
Not online.
No matter what you say your name is or where you are.
There's an address that leads back to you that website forensics can trace without issue.