Anyone who's seen the progress pics from 16 can see a completely organic linear progression. Like you said, if he's pinning he's been doing it from 16: the base physique at that...
Not subbing because OP has already reached natty limit (all gainz stop after year 2 of lifting), and all natty pros are actually juicing so this whole thread is in fact futile.
Don't be. Just don't believe all this misc sht about how if you're a savvy bloke with good banter and sharp wit you're destined to be ceo'ing 10k a day.