That doesn't negate their point. Starlink satellites still pass over Africa regularly and completely.
The only caveat I'll say is that starlink generally requires ground stations to provide connection at scale. So it's not 0 marginal cost for them to provide it for free. But the general thought is right: the marginal cost is small. Launching satellites is the expensive part, and once you have them up there, you might as well serve Africa
I think you're missing a small yet significant portion of people who will pay for content after consuming it. Off the top of my head I've "tipped" after the fact for: An awesome free work time recording app, "free" walking tours when I'm traveling, free online chess, Wikipedia — all after using them.
Most people won't do that though. The walking tour is an example of a situation where there is likely a societal expectation to tip. No such thing on the internet where the publisher is a faceless unknown.
The only thing constant is change. Queens and Brooklyn used to be a marshland swamp. If somebody proposed we build a metropolis in the everglades, we'd say we're ruining that too.
Cities should densify as needed, not be held to some arbitrary "good old days" ideal
There's a little bit of feedback: Each belt has a rotary encoder to track position, and the motors apply positive torque rather than positive position. This is in contrast to how stepper motors work on a 3d printer, for example.
Why tune anyway? Isn't the job of speakers and earphones to reliably reproduce the sound that the person who produced the track wanted? The only tuning that should be done by default is to compensate for the form factor or the room, such that what the listener hears is exactly what the producer heard when making the track. Of course, give the user an equalizer with some presets they might want, but leave it up to the end user, not what the manufacturer thinks the user wants.
The only caveat I'll say is that starlink generally requires ground stations to provide connection at scale. So it's not 0 marginal cost for them to provide it for free. But the general thought is right: the marginal cost is small. Launching satellites is the expensive part, and once you have them up there, you might as well serve Africa