They just opened a new toll road in the area and more road improvements are on the way. If it's included in the ticket price people won't mind a short commute. It's less than 20 miles and it won't take 40 minutes especially after the improvements. I'm familiar with that area too. :wave:
When you compare the cost (free) and short wait to needing a rental car, it's an obvious choice.
Look how long it takes once you drive on to Disney property, go through the parking booths, pay to park, park, catch the tram, access transportation, commute to the MK, and then wait to go through the main gate.
That doesn't stop people from visiting.