It's been a long time since the Jets had an elite offense — all the way back in 2004. Just check out where they have finished in Football Outsiders' offensive DVOA ratings, with the coordinator that year noted:
2017: 24th (John Morton)
2016: 31st (Chan Gailey)
2015: 14th (Chan Gailey)
2014: 25th (Marty Mornhinweg)
2013: 27th (Marty Mornhinweg)
2012: 30th (Tony Sparano)
2011: 21st (Brian Schottenheimer)
2010: 16th (Brian Schottenheimer)
2009: 22nd (Brian Schottenheimer)
2008: 19th (Brian Schottenheimer)
2007: 25th (Brian Schottenheimer)
2006: 15th (Brian Schottenheimer)
2005: 31st (Mike Heimerdinger)
2004: 5th (Paul Hackett)
2003: 8th (Paul Hackett)
2002: 4th (Paul Hackett)
2001: 11th (Paul Hackett)
Well, yeah.