"The Web" requires a native client program to access, yet over time has gained ever wider adoption as "most people" come to see the value and realize it's in their interest to do what it takes to gain access. We need to be evangelizing secure protocols in the same manner, especially as the insecure/centralizing protocols become ever more censored.
The Web hasn't required anything beyond what's installed for nearly the entirety of my life, and when it wasn't already there, someone would toss a CD at me in the parking lot and I'd be golden