Why is David Hume considered a moderate / mitigated skeptic?

If you judged David Hume the man by his philosophy, you may judge him as disagreeable. He was a Scottish philosopher who epitomized what it means to be skeptical – to doubt both authority and the self, to highlight flaws in the arguments of both others and your own.

Explanation:

The reason why civil rights workers believe that Birmingham was a good place to protest are:
-Eugene Connor was the city's Public Safety Commissioner.
- Police would use violence against nonviolent protesters.
-Media would increase pressure to change.

Back then, Birmingham Alabama was regarded as the city with the most racial discrimination in the country. They believe if they managed to conduct a successful protest here, the others would be easy to be conducted.