Of course. Everyone who's ever used a DB knows it's BS. As long as the data is structured - which it a) is because he was able to make assertions about it and b) fucking Excel files are enough - it CAN be imported and SQL'd on. Even Excel has built in support for fuck's sake, not to mention Python and PowerQuery.
The dude is a self-certified moron - he probably struggles with the concept of PKI, too.
He was baffled a building he was opening had a water use plan. You know. That thing everyone who's built a building larger than a shed has to deal with.