... are useless?
According to an article in UK's Daily Mail, modern expensive running shoes may provide little to no benefits and may be the cause of rising running related injuries.
Injuries like stinky feet, *sniff*.
Let us, therefore, cast off that evil manifestation of extravagantly predatory materialistic consumerism that binds our pretty pair of pieds in penury!
ADDENDUM: Popular Mechanics has chimed in as well.