Well, he's not exactly going to say "yes I use steroids". He did his best to answer the question without confirming or denying that they use drugs. They're essentially asking Phil to admit to committing a felony.
As for the other guy... he's right. People can lift without drugs and body build if they like, it's a personal choice. Not a per-requisit. You can try competing at the NPC to see if you can get your pro card naturally as well, no one asks anyone to take drugs.
All these lame confrontational questions help no one. The industry contributes millions, if not billions to the economy every year. Yes, it's founded mostly on lies, but people benefit from the economic boost in other areas of their lives... And that's largely down to the main event these guys compete in... not to talk of the fact that they're being duped in other ways, so what's another extra lie for them to buy into (actually, some of these supps have benefits to a trainee, such as pre-workout)? What do you accomplish by trying to "expose" the bodybuilders at the top facilitating the flow of income? Stupid, and totally uncalled for. If anything KTLA ought to reprimand that journalist.