Answer:
The sentence in this summary that is not objective and is not a crucial detail from the article is "Every person should make it a priority to serve at least two hours per week."
Step-by-step explanation:
This paragraph is giving important and clear information about how service helps the community and how it is important and beneficial for society, the sentence "Every person should make it a priority to serve at least two hours per week." shows a personal point of view when it uses the modal should as a mandatory obligation from the writer's perspective.