With tech savvy it is possible to understand the dangers well enough to dismiss the common advice in certain cases, but if you don't have it — you had better listen to what others are telling you. If you wish to dismiss it, you are on your own.
The solution is that we need to make it so that the majority no longer trusts anything people say.
There will be no negative knock-on effects for this, I'm sure.
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To be less glib, I don't really see a good outcome of this in the long term. If everyone developed the right level of op-sec given the amount of bad actors on the internet, we'd effectively never communicate with another person again.
The idiot no-technical founder failed to do even the most simple and obvious data protection.
Vibecoding is not an excuse. Ask how to secure the data and the AI will answer.