To be honest, I really don't know what to think about this transaction, at this point I think that it's better if this person did it on purpose because at least it means that they knew exactly what they were doing. If it's been a mistake, wow, I really don't know what I would do at this point, maybe this guy has a ton of bitcoins anyway, who knows...
Of course, only people with a significant amount of Bitcoin would consciously donate 26 BTC. Someone with a low savings balance would unlikely consciously do such a thing. An equivalent of 1 million dollars is indeed valuable for many, but those in control of substantial wealth may not consider it a big deal as long as they can generate more.
This transaction has already occurred, and we all haven't felt anything special or significant change; we're just amazed by the amount because it's substantial to us. I think speculating on that person's decision is starting to become pointless.