Those people are on alert and already protected. Satoshi is probably a regular guy without any other security other than being anonymous. We are also assuming that they are doxing the real guy, and not some bystander that now have to deal with all the consequences without having the resources to protect himself. Lets suppose they are wrong, they dox the wrong person, "opsies, let us add a footnote to the text saying we were wrong, and let us forget this happened" (RE: reddit played detective a couple times and botched normal people lives).