Could he be better? Yes, of course he could, still has places he needs to improve in. But the QB position way, way down the list in terms of what went wrong last year or to be singled out for this year. OL, DL, TE, LB and DB all desperately need to improve before you even get to JG.
You’re just pissed that Brandon wasn’t very good last year, took a significant step back, and has pretty much been recruited over at this point. You’ve somehow (wrongly) decided it’s JG’s fault that Brandon dropped a lot of perfectly thrown balls last year and fell out of the top 3 WR rotation. Very transparent and beyond petty imo.