2. Scrum requires you to break things down pointlessly, when really most teams can execute on higher level goals.
3. Teams do not need to meet for a standup every day.
4. Effort estimates can be extremely approximate and wrong, but scrum tries to force you to spend way too much time on them.
The "plan" in a non-scrum environment is much better at focusing on what matters, rather than ticking all the scrum boxes.