Well, dang, that's as good a reason as any. The reason Belicheat went after Wes Welker back in the day because he was tough to coach against.
Hal Habib (Palm Beach Post) wrote:
Flores said it was his idea to coax Gailey out of retirement.https://tinyurl.com/r969dgu
“Having coached against him in years past, he was always someone tough to deal with schematically, good situationally,” Flores said. “I’ve heard many great things about him as a teacher. The big thing for me is always teaching. He’s a great teacher and this time that he’s been here, I’ve seen more and more of that. I’m excited to have him.”