AQUATEEN: If you are sincerely trying to get an answer then try to put your thinking cap on for a minute. I know it's tough when you are barely out of your childhood to fully understand the years of tradition and knowledge in a complicated game like football, so you might as well make an effort to start now.
1) They play DIFFERENT positions. Perhaps you still don't understand that Seymour is supposed to hold his ground at the line of scrimmage against two 350 pound men while Jason is simply supposed to slip in between those big guys with as little contact as possible and get straight to the QB on every play. Taylor is not man enough to do what Seymour does, he is not strong enough to take on a single block in a two gap system and hold his ground, let alone take on double and often triple teams when the TE or FB gets involved. THIS IS THE REASON THAT TAYLOR GOT DEMOTED TO OUTSIDE LINEBACKER IN YOUR SYSTEM, BECAUSE HE CANNOT PHYSICALLY DO WHAT A DEFENSE TACKLE DOES. GET THAT THROUGH YOUR HEAD.
You don't compare a linebacker who runs free on every play to a Defense Tackle who has RESPONSIBILITIES that take priority over getting sacks.
I don't care if Taylor has more tackles or whatever, you might as well compare him to a running back or a kicker or the guy that gives out Gatorade, those are also DIFFERENT POSITIONS WITH DIFFERENT RESPONSIBILITIES.
2) Seymour suffered a gruesome injury, with an elbow dislocation when his arm was trampled on and bent out of joint. He is playing essentially one handed right now and you want to compare stats. Do you not even realize that Seymour is injuried?
3) Seymour plays a position of need on this team and has helped us win three superbowls and the NFL consecutive win streak of all time as well as going 10-1 in the playoffs. Why the hell would we change that formula? Taylor would not have solidified our DT position since he is a LB in a two gap defense based on controlling the line of scrimmage, in other words he would have played Willie McGinnest's position or Vrabel's position all these years, not Seymour's position because he is not physically strong enough or big enough or tough enough. We did just fine with the LBs we had, in fact Vrabel had 10 sacks in 2003 at Taylor's current position, and during the same time period, Wille has been simply awesome and has gone to the Pro Bowl.
So why on earth would we have chosen Taylor over our best Defensive Lineman who controlled our line of scrimmage this whole time?
4) We can find more than a dozen outside linebackers in the league that can make plays. How many Defensive linemen do what Seymour does in a TWO GAP SYSTEM? Less than a handful.
5) If you want to compare big play linebackers, you will find that all our linebackers have impressive stats through the years. Bruschi has made a ton of huge plays, Seau, Vrabel and Colvin are all good players. If you want to compare Taylor to a linebacker than at least you are comparing similiar positions.
6) Taylor could end up as a Patriot anyways in the long run when you consider how much more he openly respects our organization and QB than yours. He has a man crush on Brady, everybody knows that.
Taylor is a great player and may be the best currently at what he does. If he was on our team, he would not play Seymour's position and Seymour would not play Taylor's position. The fact is that in our system Seymour has more value. If it ain't broken, why are we gonna fix it?
I think you need to learn a lot about the game of football, because you sound like an 18 year old kid, not a grown up, when you ask silly hypothetical questions which simply show you don't fundamentally understand much about football.