[h2782]

Speculation is as much valuable use case as my nails are to be chewed. Sure, it works, doesn't mean it's a good thing.

[fisf]

An alternative to an inflated, state controlled currency is another use case. The last few years should have made that plenty clear.

[phyalow]

Casinos, Financial Markets of all denominations, Horse Racing are also examples of pure play speculation. Speculation is often just a form of entertainment.

Your moral equivocation is utterly irrelevant.