I don't think a person should be held liable in this case because the solution was clearly labeled as a toy, and not as a serious solution. If this person pres

I don't think a person should be held liable in this case because the solution was clearly labeled as a toy, and not as a serious solution. If this person presented it as a real solution, however, then yes I believe he should be held liable, as much as a lawyer would be for recklessly giving out legal advice. In either case, The developer who built upon the solution without validating it or verifying its correctness should bear most of the blame, regardless of how the answer was given.