It's irrelevant.
Not only did they jack their prices up, but they did so outside their normal inventory balancing and with timing around the state of emergency proclamation.
The Texas AG guidance states "high prices alone do not mean that price gouging has taken place, as businesses are generally allowed to determine the prices for their products. However, if a disaster has been declared by the Governor of Texas or the President, and businesses raise the price of their products to exorbitant or excessive rates to take advantage of the disaster declaration, then it is quite likely that price gouging is taking place"