Yeah they're a good example of the upper end of what you can achieve as a natural lifter. Today's steroid fueled gym buffs trick young guys into thinking they can get huge by natural means. That is simply not true for 99.999% of the population.
Steroid use is so ubiquitous and far better understood than ever before that most guys don't see a point in doing things natty. We're talking cutting down years of training to months.