Slashgeo has written up on a user “Redlands” contributing to articles on ESRI and GIS in general. The ethical issues aside, you just can’t tell if this really is someone from ESRI or not because there is no IP to verify. Even then, just because it says that the IP came from the inland empire, that still doesn’t mean it was someone from ESRI. Bottom line is that we have no idea who this person is and it just reinforces my stance that you can’t trust Wikipedia.