Thinking "you're in space so can go anywhere" makes as much sense as thinking it's easy to go from Canada to the top of the Everest just because they're both on land.
Yup. You learn that you can easily go anywhere you want on a curved line, as long as you're willing to wait long enough. But making that line point towards where you want to go is a stupidly fuel-expensive process.
Thinking "you're in space so can go anywhere" makes as much sense as thinking it's easy to go from Canada to the top of the Everest just because they're both on land.