> ... accounting isn't going anywhere. It has already been invented

> But, if this our future, then humans remain relevant, so there is no concern about job loss or anything of that nature.

Relevant as what? Serfs and accountants? Even short of that scenario, there is a big concern if the primary technology of redistribution (jobs) becomes far more scarce.

> If, however, some future plays out where people aren't needed to work anymore, there will simply be no need for trade.

People will still need raw materials and resources, and those are not evenly geographically distributed.