This is something that's always going to be contentious, and was something we debated heavily internally. When we assess the pros and cons of a system like this it's important to look at what happens when it goes wrong, what are the worst case scenarios.
Escape: You dash a very tiny distance and get wrecked, when you meant to go far. This is also done in a panic scenario when you _need_ to be as frame fast as possible.
Engage: If you dash a short distance your entire approach fails. In this scenario usually when engaging you have more preparation time to aim the spell the full distance, but it's still a painful experience.
Jungle: If you dash _futher_ than you want in the jungle it can be frustrating, and in the worst case you can mess up your route by going over a wall. However, jungle clearing is lower stress and time dependant. Additionally the worst case scenarios tend to only happen once as you can pretty easily adjust your positioning to avoid the pr...