Two more minor things that could be improved:
1. On the interface for adding a new person (e.g., spouse, brother, mother), there are two big text boxes. "Sources" and "Comments". But when I later edit a profile, there is only one. I'd like to enter the text straightaway when creating the profile, including <ref> tags, but I don't know which of the two fields to use. So I always have to go via checking that popup box "Sources will be added..." and then edit in the main edit interface. Suggestions: (a) Always show those checkboxes next to the Source field, not only after one clicks the button, (b) have only one textbox input field on that "Add person" page, like it is on the edit page.
2. Disable the popup that calls a person with more than one first name "unusual". It's not unusual and the popup outright annoying. Once I had someone edit one of my profiles by writing only the "first" First name into the First name field, the rest into "Middle Name", and I had to contact that person to ask where he got the information from that that one first name was more important than the others. Needless to say, the person was just doing it because that popup box warned about it, and had no clue what was right.