2-4 with a loss at SF would require a number of things to go their way to get in, 2-4 with a win over SF probably gets them in, 3-3 virtually guarantees it.
If I'm a coach up for a job after this year, the Giants are one of those jobs I'm hoping to land. They look like they have a legit QB and RB, they have a very very good WR. They're looking at a top 3 pick.
For his mental well being he seriously needs a game or two off. Letting him continue to literally be the worst QB in the NFL and seemingly getting worse is going to crush any chance he overcomes this.