Using pseudonyms and sockpuppets will highly probably get them all locked out and suspended by social networks and internet services that have built strong countermeasures against it.
Do you mean Twitter doesn't represent all networks? I had a fake Facebook account for a couple of years... never had any trouble right up until I deleted it this year. So which network is doing this effectively?
https://news.ycombinator.com/item?id=198817
https://news.ycombinator.com/item?id=6531383
https://hn.algolia.com/?query=by:pg%20signing%20posts&sort=b...