«Presumably he/she/they won't respond and I'll get a million bitcoin» Well, presumably Satoshi intended to abandon his keys, therefore they wouldn't have used

«Presumably he/she/they won't respond and I'll get a million bitcoin» Well, presumably Satoshi intended to abandon his keys, therefore they wouldn't have used the scheme in the first place. In general I think the scheme would be more useful with a long claim period, eg. the original owner could be given a month, or more to claim back his account.