Yep, and thats where we disagree entirely. More choices doesn't always turn out to be better. We have a hundreds of choices in FFXIV now but we're still having this conversation.
And you think that with Job/Specs something like this wouldn't be possible? You would have more points than is necessary to complete a path letting you branch other into others in this example.
Actually no... I don't thinks thats what you have an issue with. I think you have an issue with the limitations that this will impose. You like using Rank 30+ skills from one class on another.
BLM Lv5 / WHM Lv2 is entirely possible in this scenario. Just not BLM Lv5 / WHM Lv5 while hand-picking the best things aka what we have now.