I think it's just as simple as having too many receivers who are too young and playing in a complicated system with a lot of sight adjustments. They're struggling vs man right now. Jets just smothered Kelce in coverage and dared the others to get open. The good news is they seem to have the tools but really need to work on their release packages. May be mid-season before it gets better.
Honestly, for the "look Pat can win a superbowl without elite receivers crowd" who were crowing all offseason, this is what it looks like when you have to break in a new receiving group every year. Its just made worse because they’re all so young. Hopefully they learn to adapt this year instead of next year.