Ah, but then you don't need to think about disease, or the expense of children, or the expense of dinners, or the wasted hours upon hours spent sitting in clothing stores and shoe stores!
Yeah, the tech's not there yet. I was in somebody's lab one day, some years ago, where they did haptics work. You could hold a little stick and move it around, and the gears or whatever would resist it being pushed into a certain region of space. I think it was an imaginary cube. Anyway, one could argue that human sex does indeed generally have to do with poking things with sticks, but somehow... somehow not all poking of things with sticks is quite the same...
As for the net, there are dangers. It becomes easier for powers (governmental, corporate, etc.) to find out whether we hold the wrong opinions, for one thing.