Free-roaming hogs were notorious for rampaging through the precious grain fields of colonial New York City farmers. Manhattan Island residents erected a long, permanent wall on the northern edge of what is now Lower Manhattan. A street eventually bordered this wall - aptly named Wall Street. Hot dogs were first introduced to the public at the St. Louis World's Fair in 1904. Instead, a pair of white cotton gloves came with each one to keep fingers cool while eating.
Bakers cite taste and family preference as the main reasons why.