Secadores de mãos vs. toalhas?

Quem tem razão? Estudo contestado:
http://www.independent.co.uk/news/uk/dyson-airblades-spread-1300-times-more-germs-than-paper-towels-a6984476.html


Citando:
"Hand dryer company says new study that questions product's hygiene implications is 'misleading' and was conducted under 'artificial conditions' - a claim disputed by the researchers."