Good post IMO. Play all the courses and learn the game. Don't get to TL by wearing out BPB F9 / some low wind BPB B9 when feeling adventurous. You will have marvellous stats, and a game that does not match.
pdb1: Those B.O. par 3,5,and maybe 4 rounds are not counted on your # average
Correct.
pdb1: But they do count as a ranked round towards saturation
This bit is not the case though. You already said they do not count towards to average correctly, and by definition once saturated the average can only come down. If this were correct you could shoot 500 x par 3 rounds, and then 1 at BPB F9 and be a TL, and that don't happen. To get TL you need 500 RRs, always excluding anything to do with BoCourses. shot within Legend tier that = 60 average. Yes there may be the odd anomaly where someone has contacted WGt to have their FB account swapped or whatever but that's it basically.