I think permissionless-ness is something developers and businesses will come to value greatly. Only certain technologies on the blockchain help with privacy, and most debatable make it easier to track your activity, if the user doesn't want to make the process convoluted for the explicit sake of their privacy.
Blockchain might also be attractive to users who are not developers, but are computer power users, since they can effectively rent their computer for extra money, and provide a valuable service (That they hopefully personally support) in the process.
Blockchain might also be attractive to users who are not developers, but are computer power users, since they can effectively rent their computer for extra money, and provide a valuable service (That they hopefully personally support) in the process.