He does. Indeed, he has an argument for the very worst contract in the leagure.
You can read a deeper breakdown here, but I'll pull the money quote for you:
The players who offer their teams the least relative value to the dollar figure on their contract.
theathletic.com
Even IF you believe that Seth Jones is a legit #1 Dman in the league, that makes him a top 32 Dman. He is very clearly NOT a top 10 dman in the league despite a top 10 cap hit amoung active Dmen. It is a disastrous contract that will hamstring the Blackhawks for as long as it remains on their books.