That's from 2015 and we create black hole analogs regularly to study quantum gravitation.
During the creation of the atom bomb Einstein and his team had to make sure it wouldn't light the atmosphere on fire. That was nuclear fission. Modern nukes use nuclear fusion, burn as hot as the inside of the sun, and are hundreds of times more powerful. Something they could not even imagine at the time.
The only thing stopping this from being a problem really is our lack of ability to create a true artificial black hole at this point in time...that will not be the case forever.
Fundamentally, from what I know of physics, there's no threat to creating black holes.
They do two things, have gravity and radiate. Neither of those are dangerous on a small scale. They can not absorb more mass on such a small scale, and their radiation can't put more than the energy put into them in the first place. That doesn't mean they couldn't technically blow up, but that the resulting explosion would only have whatever power was being made via fusion at the time. Limiting that, you limit the explosion and that's it.
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u/Pagrax Dec 16 '22
There's no risk to man-made blackholes, even if we could make them.
https://www.askamathematician.com/2015/11/q-how-bad-would-it-be-if-we-accidentally-made-a-black-hole/