Many, and most of them are easy enough that anyone seriously concerned with privacy or secrecy will use them. They do take effort though, which means that while journalists, lawyers, corporations, governments, privacy nerds, and criminals will use them, the average person will not.
What we would lose is that secure communication is actually mainstream now. Billions of people, many of whom don't even know what "end to end encrypted" means use messaging services with strong encryption including WhatsApp, Signal, iMessage, even Facebook chat in some cases. These services make mass surveillance difficult or impossible, and targeted surveillance of their users requires significant effort, such as installing malware on a target's device.
What we would lose is that secure communication is actually mainstream now. Billions of people, many of whom don't even know what "end to end encrypted" means use messaging services with strong encryption including WhatsApp, Signal, iMessage, even Facebook chat in some cases. These services make mass surveillance difficult or impossible, and targeted surveillance of their users requires significant effort, such as installing malware on a target's device.