Is the Acropolis worth planning around?
Yes, the Acropolis is worth planning around. The Acropolis is not the problem; arriving with heat, crowds and no plan is the problem.
Answer
This is one of the famous sights that still earns its place, but it is also easy to experience badly. The hill is exposed, the approaches can feel busy and the mood changes sharply depending on timing. Treat it as a priority, not a leftover between lunch and a ferry errand. Check the current ticketing and access rules, choose a sensible time of day, and give yourself room afterwards rather than stacking the visit into a frantic Athens checklist. Done carefully, it gives the city its centre of gravity. Done lazily, it becomes a queue with a view.