“And yet you can build a platform that has a reasonable tradeoff between security and usability.“ What examples do you have in mind and what has ‘usability’ go

“And yet you can build a platform that has a reasonable tradeoff between security and usability.“ What examples do you have in mind and what has ‘usability’ got to do with this? Also - as soon as one reputable App requires users to ‘go through the hoops to get exposed’, any app that can fool users into thinking it is reputable will be able to do so.