He is here to provide leadership, effort, energy, make sure Lou and BT's message gets across and help out the young players.
Would it be better if it was a two-year deal? Of course. But I assume he was looking for either a short-term deal from a contender or stability for his family.
At some point, if when/he is passed by younger talent, he will probably be a depth forward who doesn't kill you when pressed into spot service, a healthy scratch, sent to the minors for long "conditioning" stints, or bought out in some fashion that works for both the player and team.