When someone wants to disrupt a message board, the
Post# of 72440
get two identities, both of which have soft-bashed in the past, to supposedly argue with each other. Have one be more overtly obnoxious (at the moment) and defend a known basher, and have the other one (who previously was the more obnoxious one) then try to be the "good guy" pretended-bull arguing with him.
In that way they can focus the board on their fake argument, and try to make the board unreadable.
That's why simply ignoring those posts is the best strategy. If they can't get other people to respond, their strategy doesn't work.
By the way, if you want to see how someone has changed their tune over time, click on their name. This takes you to their page, In the strip across the top of their information section, there's a link to "See Recent Posts." You can keep scrolling back to see as many of their posts as you can stomach.