Yes, the Tebow game was certainly the beginning of the end. He was the first (and only, as far as I know) quarterback since the merger to throw three separate 50-yard passes in a single playoff game.
Your statistics basically outline what I've been saying: There is talent on offense (yardage numbers are great, but redzone problems persist), but the defense has gone downhill. What concerns me is the sheer loss of defensive depth to replace the players who have retired, and the guys getting injured this year are either not that good to begin with (Jarvis), or shells of their former selves (Ike and Troy). The cupboard is pretty much bare on defense. Let's take a look at what "Tombert," as you like to say, has done in the draft with defensive players:
2007: Timmons, Woodley, Ryan McBean, Gay
2008: Bruce Davis, Mike Humpal, Mundy
2009: Hood, Keenan Lewis, Joe Burnett, RaShon Harris
2010: Worilds, Thad Gibson, Crez Butler, Stevenson Sylvester, Doug Worthington
2011: Heyward, Curtis Brown, Cortez Allen, Chris Carter
2012: Spence, Alameda Ta'amu, Terrence Frederick
2013: Jarvis, Shamarko, Terry Hawthorne, Vince Williams, Nick Williams
2014: Shazier, Tuitt, Shaquille Richardson, Jordan Zumwalt, McCullers
Who on this list is really worth a damn? Timmons is good, not great. Woodley had a couple of splash years, and is essentially done. Gay has been a barely-serviceable player his whole career. Mundy is average at best. You described Hood yourself as ineffective. Keenan Lewis is the best player they drafted, IMO, and yet they let him walk without an offer. Worilds is average at very best. Heyward is good, not great.
I'll give the last draft a pass until further determination, but EVERYBODY else on that list has never amounted to anything. Do I consider Tomlin responsible for these poor choices? Yes. Shouldn't I? He was a defensive back coach and a defensive coordinator, but look again at the DBs there. A lot of them are mid-round picks, but besides Lewis, THEY ALL STINK. What free agents have replaced guys like Aaron Smith and Farrior? NOBODY. They sign guys like Cam Thomas and Arthur Moats now.
Who else do you think deserves to be held accountable for these eight years of ****** drafts and worthless free agent signings?