usually accs created with coinnames are "new accs" of actualy coin owners.
I have no idea what your source of data there is for that but in this case I can assure you there are all kind of trolls and FUDsters creating accounts with all sorts of names that have nothing to do with Monero.
We've seen the pro-Monero troll strategy before (in July I think) where people create new accounts and post
in support of Monero instead of against it. They apparently are trying to do so in such an obnoxious and spamy ay that it causes a backlash against Monero. At least that is my guess, because I don't really know. (As I said, the other highly plausible explanation is mental illness.)
The sad fact is this forum site is so infested with trolls and FUDsters that you really can't believe anything people say unless you know them personally. The rest are best ignored.
+1 I suspect the reverse troll theory is the most plausible especially when BCX was targeted.