I don't think they care what state it is in.
Access, Opportunity, Location
They have used Boston in the 911 Atrocities, for example.
Under any other situation I would tend to agree with you. However, this was done within the context of the jihadi postings that have been evaluated over the past 24 hrs here. Within that context, it appears that there has been a stated threat against Texas and no other location is evident within the posts. Access, opportunity and location are all still valid within a Texas scenario.