I guess I don’t understand the metric of success.

i guess you will find if you read the study mentioned in the article.

it is certainly possible that the study, or its interpretation in the article, is bs - i did not read either one of them. i am just stating in the vacuum that if something does not work (which is what that headline presents as conclusion of the study), then wasting time and money on it is worse than doing nothing.

no. training costs time and money, so if it has zero effect, then no training is clearly better.

mfa is not going to help when people will literally transfer their money to a scammer, because the scammers convinced them that said money are in danger and only way to protect them is to transfer them to “secure account”. you can’t fix stupid with technical limitations.