Every one of the Jets problems cannot be fixed overnight. The Jets actually have two 1st round draft choices in Brick and Mangold. Being disappointed because the GM has been through only one draft and really didn't address the OL, is ridiculous. You're misunderstanding that the Jets have too many problems to simply address them all in one fail swoop. You may want it to happen (as do I), but that doesn't mean the team should endanger their future just to get caught up with all the bad moves Idzik made.
Odds are the 2016 1st round draft choice is either QB or OL. It's early, but it isn't too early to see areas for potential problems when the season starts. The OL could use a youth movement and I do believe they have some depth now. That's something they haven't had for a while. But still they lack that starter talent in a few spots. RT and RG seem to be areas for concern. Brick and Mangold are not getting any younger and it shouldn't come as any surprise if their play begins to slip.
So, yes, although you are pointing out areas that are potentially lacking in the team, it cannot be fixed all at once. Patience is a virtue.