> Maybe they'll have to tour and meet people in person
That doesn't scale.
During campaign season, they're already running as many rallies as they can. Outside the campaign train, smaller Town Hall events only reach what, a couple hundred people, tops? And at best, they might change the minds of a couple dozen people.
EDIT: It's also worth mentioning that people generally don't seek to have their mind changed. Someone who is planning on voting for one candidate is extremely unlikely to go to a rally for the opposition.
That doesn't scale.
During campaign season, they're already running as many rallies as they can. Outside the campaign train, smaller Town Hall events only reach what, a couple hundred people, tops? And at best, they might change the minds of a couple dozen people.
EDIT: It's also worth mentioning that people generally don't seek to have their mind changed. Someone who is planning on voting for one candidate is extremely unlikely to go to a rally for the opposition.