If someone says something you disagree with, you can be as rude as you want. People are swindling one another routinely in a wide variety of online scams. Greed is epidemic. Obsession and isolation reign. People who ordinarily would work hard are instead downloading pictures of other undressed humans and examining them on company time.
Some people flip out entirely and stalk one another online.
Then there are the children. With all the pornography sloshing around, kids are inevitably exposed to the most degraded images and enticements. Let me tell you , once they see this stuff, we've got our hooks in them for a lifetime. The best part is, the machines don't work all that well. Every now and then, we flip a switch down below and cause someone's computing machine to fail for no good reason.