Count yourself lucky in the you are not one of the "lucky" few "they are letting some of the members try out" (quote from a mod) the sidebar.
Screen shot attached - when you try to work in your tree, you are forced to family/pedigree view, with a sidebar mini-profile. It takes several clicks/waits/hovers to get to the REAL profile.
There is an option to turn it off. I've done that several times, but it keeps coming back.