Ask any fan on this site if they're willing to trade a young player who they have more years of control over for a comparable player with much less team control.
It has nothing to do with not thinking players won't stay, it's just common sense.
Your proposal makes 0 sense for the Jets.
Zero sense? Give your head a shake boy.
1 top 2-3 LHD (a need)
A top LHD prospect (a need)
a 30-35th 2nd round pick
Holland (worth a 3rd-5th depending on who you ask)
Trouba leaves, and yes he's a damned good player.
Pavelec (cap dump) departs too and let's the Jets roll with Helleybuck and Hutchinson.
Hard to tell. Maybe not much. I'll take the younger player who is already better and who you can lock up long-term now.
Are you really implying that a GM won't take pending UFA into consideration when placing value on a player? There is always uncertainty in UFA, no matter what the team.
He's not really an impending UFA though, you have 2 years of contractual time with him. I am actually starting to think you could sign Fowler to an extension for cheaper then a long term deal with Trouba the longer the contract isn't signed.
Additional assets that come your way in this deal (that I think are being understated by Jet's fans) really make it a slam dunk along with losing Pavelec. If seeing Holland come your way is so bad, simply move him and maybe an additional asset to help land a better bottom pairing defenseman or a pick.
My 2 cents, but either way, I've had my fun in this thread.
The conclusion I've drawn from this is that Jets fans are overvaluing Trouba greatly, but sometimes you simply don't want to move a guy off your roster.