Convincing people to pass their personal information on to you can be difficult, not just because it’s laborious, but also because of issues surrounding trust and privacy. This is why it’s so important to use best practice in web form design in order to reduce friction points and maintain user trust.
A user interface should inspire confidence in the user. It should always offer them an escape route if things go wrong. The iPhone home button does this perfectly, so why don’t Macs have eject buttons?