Maybe this is why we haven’t heard from advanced alien civilisations: they’ve all extinguished their suns in an effort to mine the next block, thereby rapidly rendering their whole civilisation extinguished.
Of course, any sufficiently advanced civilisation that can build a Contraption to extract all the energy from s star should also be advanced enough to build a computer model complex enough to reveal the secrets of warp drive, but didn’t because they were too busy mining crypto.
Of course, any sufficiently advanced civilisation that can build a Contraption to extract all the energy from s star should also be advanced enough to build a computer model complex enough to reveal the secrets of warp drive, but didn’t because they were too busy mining crypto.