[IncRnd]

You can just click to run the app. Gatekeeper doesn't stop you from running apps.

If you really want to ban Gatekeeper you can. sudo spctl --master-disable

As the saying goes about being careful, measure twice and cut once.

[seany]

A bunch of things break when you do that, though I do run my osx machine that way. The point is that it shouldn't be the default, it's the end of personal computing.