Too early to tell. Both are development eras (once the Mets started getting over the unfair expansion draft that the NL held)
You need to see if the young players that the Jets have now contribute to any winning team in the future the way the young Mets back then did.
By '66, the Mets were developing a core that carried them competetively though the mid 70's. Jerry Grote, Derrell Harrelson, Wilbur Huckle, Cleon Jones, E. Emil Kranepool, Billy Murphy, Frank McGraw, Al Yates, Lloyd Flodin, Koosman, Selma etc. were all on the roster or coming up from the minors and Seaver was already picked from that glorious hat. They had fodder ready to trade for key pieces, like Ribant after the Mets first winning pitcher season being traded for Don Bosch (a mix of Mays and Mantle), who somehow missed out on the HOF but should be elected by the vet committee any year now. You had all star Ron Hunt who turned into Tommy Davis who turned into Tommie Agee. Minor leaguers like Lynn Ryan and Amos Otis were available to be used to trade for the best of the AL.
Now if you want to talk Mets; Jun 77 to Jun 83, that is a much closer example