well he can consider it a donation and his name will be forever on the internet about the guy who lost his drive with a ton of BTC. such as waste but it is what it is.
That isn't even considered a donation at all because nobody benefitted from it. A donation is you giving it to somebody else for his/her betterment. In this case, nothing benefitted, and it just got lost completely.
This incident has a huge lesson for us in terms of securing our cryptocurrencies. Owning isn't enough, but we need to properly secure it as well.
This case is a prime example of what can happen if we will not secure our private keys. He can continue recovering that hard drive, but things aren't favoring on him knowing that they want to turn it into a solar farm based on that article which complicates his search.
At the end of the day, self-custody means self-responsibility—without proper measurements, even millions in Bitcoin can be lost forever.