But the point is that you are doing side content as you go. Unless youre skipping cut scenes and not sleeping, its going to take you multiple days to get through the MSQ if you start from 0. Along the way its kinda expected that you would do daily roulettes and the dungeons associated with the MSQ that would all get you a ton of EXP.

I agree that the MSQ should give you the equivalent EXP to get 1 job (and 1 job only) enough EXP to get from 1-50 (ARR) 50-60 (HW) 60-70 (SB) 70-80 (ShB).