I don't believe it's as simple as adding a quality TE to the mix, and changing DCs is going to make the defense execute better. I admire your optimism, but I'm a realist, who has spent enough time on the sideline as a coach, to believe there's as much talent there as you believe.
But, we're all welcome to our opinion.
As I have mentioned the Packers need to add a veteran wide receiver as well. If they end up doing that, use their first rounder on Michael Mayer and re-sign Jenkins I fully expect the offense to get back to being one of the best units in the league.
On the defensive side of the ball there's no doubt in my mind there's a lot of talent but they haven't played as a unit all season long. That's solely on the coaching staff. A new defensive coordinator should be able to have them perform at a high level.
Where's the cap space to land a good veteran receiver without creating more holes in the roster? I have to believe that Jenkins will be much better which will improve the o line but rookie TE's rarely produce. Will Jones restructure to lessen his cap hit because he's still an elite player that isn't replaced by giving Dillon more touches? The offense will likely improve in 2023 but is far from an elite unit.
Over The Cap and Spotrac estimate the salary cap will be set somewhere between $218 million and $225M for next season.
According to both websites the Packers currently have just north of $228 million allocated towards their top 51 contracts for next season. With them currently having a bit over $7 million of cap space available for this season that can be rolled over they might enter next offseason somewhere between being $3 million over or $4 million under the cap.
If they want to go all-in they could create up to $70 million of cap space by restructuring/extending the contracts of Bakhtiari, Clark, Jones, Alexander, Smith, Gary and Savage though.
While that would result in a huge issues with the cap down the road they have enough wiggle room to create enough cap space to re-sign Jenkins and Amos and bring in a veteran receiver if they want to go that route.
While it's true rookie tight ends rarely contribute immediately Michael Mayer might be an exception to that.
A rookie TE would most likely be better than the group presently on this roster.
Mayer would definitely be an upgrade over anyone currently on the roster in his first season. Not sure about any other tight end in next year's draft though.
I just cannot see the mostly overwhelming desire for a TE. I would much rather have really fine O linemen. Tackle or guard. That is not the place to skimp imho.
If Bakhtiari and Jenkins are back fully healthy next season the need for a tight end is much more pressing.