Yes. There would be gaps if you did not know:
a: The A point is about 4 degees ahead of where you put it. So, SNA approx 72
b: Where the B point would be. SNA= SNB=72 (approx), therefore ANB=0
c: That when ANB=0, the 'Wits analysis' number would also be 0
d: That a Wits number of 0 is class 1 class= balance between both jaws
e: That your SN line being 20 degrees away from a horizont is in EXCESS of the norm.
Although I don't know exactly what the norm for SN line relative to horizont is, it could be around 10 degrees. So, an approx 10 degree deviation of the SN norm would account for SNA being 72 when the SNA norm is about 82.
In essence the deviation from the norm inclination of the SN line relative to a horizont would account for the deviation your SNA has from the norm.
Factoring the deviation and the Wit's # in, this would be considered class 1 skeletal BALANCE and NOT an indication to advance either the maxilla or mandible or both.
Outside of that the salient observation to make which is 'intuitively obvious' to a lot of people and in the absence of knowing anything about these points IS there is GOOD BALANCE to the jaws and harmony to the profile.
That is a sufficient # of gaps for me to fill in.