If a tree is in the way of a development then it has to go. But it does not have to be murdered.
If it cannot be transplanted then cuttings can be taken, propagated and planted in safe places.
The trees at Western Springs might not be moveable as the ground there is very rocky but they cannot stay where they are.
At the heart of every protest outfit there seems to be a hard core of work-shy, professional trouble makers who never miss an opportunity to make life more difficult than it needs to be.
Anti-road protesters hate roads because they can carry private cars. Private cars represent individual freedom which the extreme left collectivists cannot abide.