it is difficult to understand why he wouldnt want too sign an extension. Not sure if you understand how RFA works. the Jags can tender him which is a one year offer, then he can shop around and agree to any deal offered and then the jags can match the offer or except the compensation.
as to not adressing the rest of your post i havent got the chance to compare his film to hayes sorry dude. If memory serves me correct though hayes was pretty good before he got here. His problem was he never learned our system so evan if you are right that they look similar and play similar that doesnt mean they have the same brain power.