And it only takes 20 years to learn it...
No,about a month of tuning to figure it out
The truth is very few people care about this stuff,in fact I might think it's a big deal and it's not.
Most want to bolt on a carb and headers,and that will double the power,giddy yap and go.They might not have the time or desire to fuss around for hours messing with tiny drills and timing lights then making repeated timed runs between two landmarks on a deserted back road to gauge performance modifications.