We use social auth only for our platform, and when Facebook is offered, we see far higher conversion rates and usage of Facebook over all other options.
One comparison to this is the big push to get in car navigation and smarts developed by the tech sector. There is a reason radios and stuff work year after year through heat and cold and the like.
they may not be pretty, but it (usually) does what its suppose to even after years of use.
the further out in the fields the less the fence hurts, we would get a couple city cousins to grab them way out in the field, see they were safe.
Then back closer to where the line started, just tell them to go pee on the corner fence post.... its safe...