The great thing about lineage research is that in most cases no one can stop you from finding your ancestors. If you know your parents and/or grandparents you can access public records.
Finding every bit of information about relatives living today is difficult because that information must come from them. Many people are simply not interested or feel it is an invasion of privacy.
With the advent of the WWW, research has become easier because of availability of primary source documents and more difficult because of incorrect information submitted by budding genealogists.
Genealogy has a learning curve and one cannot depend on the help of others. Genealogy software gives a template for all possible information but aren't you really interested in the next correct link and fleshing out your direct ancestors?