Subscription sites that need some extra proof-of-work for their free trial so it doesn’t cannibalize subscriptions could charge bitcoins for the trial.
Bitcoin addresses you generate are kept forever. A bitcoin address must be kept to show ownership of anything sent to it. If you were able to delete a bitcoin address and someone sent to it, the money would be lost.
The utility of the exchanges made possible by Bitcoin will far exceed the cost of electricity used. Therefore, not having Bitcoin would be the net waste.
Subscription sites that need some extra proof-of-work for their free trial so it doesn’t cannibalize subscriptions could charge bitcoins for the trial.
Bitcoin generation should end up where it’s cheapest. Maybe that will be in cold climates where there’s electric heat, where it would be essentially free.
Warning: PHP Startup: Unable to load dynamic library 'imagick.so' (tried: /usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so: cannot open shared object file: No such file or directory), /usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so.so (/usr/local/lib/php/extensions/no-debug-non-zts-20200930/imagick.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0