Everyone with insurance/conditions has a dentist.
Accounting, American tax returns are complicated (words are hard to describe, in short, I think my parents are too big for those papers). It's true, but not everyone uses those paid services to find an accountant. There are still many people who think about it themselves and use a software to go to the library to help you file your tax returns.
As for lawyers, watching too much TV is really misleading-lawyers are very professional, specializing in a certain aspect, such as' family' (divorce) lawyers, car accident lawyers, medical lawyers, criminal lawyers and so on. They are all different people, so it is impossible for civilians to arrange so many lawyers on call in advance.
It can only be said that the United States generally pays more attention to legal rights and uses other people's paid services, but don't make it seem that everyone is so particular. ...