It's bad for the rest of us customers. a) more effort goes into fraud, more risk of annoying false positives, b) easy to max out resource utilization which shor

It's bad for the rest of us customers. a) more effort goes into fraud, more risk of annoying false positives, b) easy to max out resource utilization which shortens hardware lifespan, c) boom and bust industry makes planning harder which means they can't run on as predictably low margins. This all increases costs and makes free tiers harder to offer. Miners are an easy group to say no to because they don't overlap much with the rest of the software business world, so the reputation hit is small.