Sorry, but I don't think a bad advice is necessarily a lie.
> "You should smoke cigarettes because it will help you lose weight."
Standing to you the above is not a lie and I agree. I think it's a bad advice, but not a lie.
> "You should smoke cigarettes because it will help you lose weight."
Standing to you the above is not a lie and I agree. I think it's a bad advice, but not a lie.
If I say "You should smoke cigarettes because it will help you lose weight." That advice is a lie, even though on a technical/literal level cigarettes do help you lose weight.