I saw that comment (16 teams) too, but I don't buy it.
Absolutely agree. And the Vandy Veep is contradicting what several other SEC Presidents have said.
The Texas A&M addition was in the works for years and the right opportunity occurred to add them. Mizzou was wanting to leave the B12 and was an excellent and available choice to round out to 14.
I don't see the SEC wanting to raid the ACC anytime soon, and frankly the ACC looks pretty bonded, themselves. The B12 looks to be reaching for new stability, and OU w/ OSU apparently intend to hang together.
Unless the PAC12 and/or Big10 expand to 16, I doubt that the SEC will be motivated to expand further. The ACC could be the first BCS conference to go to 16 if UCONN and Rutgers (maybe ND) were added. Whether that would prompt any of the ACC's teams to look to go to the SEC is unclear. But the ACC would have a grasp on each current member's sentiment before embarking on further expansion.
Vandy may actually want to further diversify SEC competition from the traditional SEC powerhouses. As the SEC's only private institution, I can understand that perspective. But they will not have such comfort, because Rice and Tulane will not be on any near future search list of the SEC.