Seems like a great opportunity for people with the means and connections to build a better biodome. Like how PAX ended up being a good alternative place to go once E3 got more exclusive.

The problem (in academia or otherwise) is that the default is not to post online. Excited to see what happens when the pendulum swings the other side.

If it's a big conference where you're already talking to a big auditorium, I could see that. If it's a small conference or workshop, though, it completely changes the dynamics of a talk if you're doing it to be recorded for permanent archival on the internet, vs. talking to 20 colleagues in a room. TED is explicitly a very public platform for charismatic public speakers, which is a good thing to exist, but not what every conference should be like imo.

I personally am not too great at public speaking and don't relish the idea of something I was talking about slightly awkwardly being on the internet forever, so if talks were regularly being recorded at some conferences, I would probably just not submit to give talks at those conferences. Not all of us are TED speakers! I do try to make my stuff freely available and accessible in the medium I'm more comfortable in, though (written text), by writing accessible blog-style expositions, in addition to putting up PDFs of full papers.

Keynote talks are a bit different, since they're invited specifically to be big public talks. So for those, yeah, maybe it should become routine for them to be recorded/archived. Fortunately, those are also the ones that often have the broadest interest.