You can most certainly touch people and not get HPV; you just can't touch them with your bare genitals.
The CDC says that the HPV vaccine does not prevent 30% of cervical cancers caused by HPV, and 10% of genital warts. Which is to say that it DOES prevent 70% of HPV-caused cervical cancers and 90% of HPV-caused genital warts. Good enough odds for me for the price tag of $120 x 3 (rounds of injections). I'd do it if I weren't already over 26.
I hope this isn't true (and it probably isn't, knowing Luke's loose to non-existent journalistic standards and ethics), because by her own admission Sasha has had chlamydia. Two STDs in less than a year in porn wouldn't reflect well on AIM or the industry in general.