The response was to giving someone validation simply because they were getting HC interviews. Today's HC interview can fall out of favor really quick. Scott Linehan was once a head coach. Dave Campo , David Shula, Rich Kotite all actual HC's that someone once thought would make a great hire. Gregg Williams was once considered a HC candidate and that guy is bonkers.
You realize that "six or seven teams' quote could have easily come from his agent?
Garrett ran one of the worst offenses in the league. Marinelli was promoted back to DC, only to be demoted again when the Raiders hired Bradley. You're not really giving great examples here.
Richard, a USC guy by the way so I'm a fan, went from HC consideration to out of the league in less than 2 years. He wanted the USC DC job and lobbied for it, only to be told no thanks. by the college version of Jason Garrett, Clay Helton.
Also, if you think Richard is sitting out for some sort of break you are kidding yourself. He didn't like his offers or the teams went another way.
Gotta know what you're talking about.