T Stanton, that source pops up for me occasionally on Ancestry.com, and your assessment sounds fair to me. I can't recall how it did in my cases, but it definitely gave me a good impression.
In contrast, the family genealogy for my grandmother's family was done by an unmarried teacher. She just wouldn't have had the budget to do as good a job, back in the early 1900s. She did a good job as far as tracking everybody down, but many of the dates for things are a bit screwed up. It's useful, but not always precise that way.