I do all my genealogy there and it's great. I haven't seen any vandalism problems, but there are data quality problems and poorly sources facts (a link to ances

I do all my genealogy there and it's great. I haven't seen any vandalism problems, but there are data quality problems and poorly sources facts (a link to ancestry.com is not a useful source!) that you have to deal with, but you can generally fix problems created by others, or at least leave comments explaining why you think it's wrong.