|Forum Moderators have full access to Members IP addresses|
They would easily see two same IPs replying to eachother (with different usernames)
I would suspect that would be close to a banning of at least one, possibly both member names.
Further to this, I see no reason for someone to do this (except as a nuisance)
Support replies are shown on their relevance to topic and expert knowledge on the subject, it does not need to be either backed up by others or proved correct or not.
The proof is in the single support reply post alone