More to the point, for people who are trying to get something done, too much niceness is likely to get in the way.
When someone is trying to accomplish things, being too nice can hold them back.
As there is little interpretation inside, try to see the introductory film first (showing throughout the day from 9:00 a.m. to 5:00 p.m. ). Your ticket also entitles you to visit the Municipal Museum, which is actually no more than a well-preserved late-18th-century hammam (Turkish bath).