Wire-fraud is also relatively common and often not reversible but people and businesses still wire money frequently.
Also happens with HFT: https://www.bbc.com/news/magazine-19214294
> The only available options for reversing a completed transfer are if the sending bank made a mistake, if the payment order was a duplicate of a previous order, or if the order is for an amount greater than the beneficiary was entitled to receive under the transfer. In those cases, the beneficiary's bank will recover the funds improperly paid to the beneficiary.
https://budgeting.thenest.com/time-frame-reversing-wire-tran...
This is why you hear people losing their life savings to scammers in Nigeria, instead of just successfully suing them to get it back.
I would say more often than not it's reversible.