If meth production methods had been of been developed by the Ancient Greeks, where do you think civilisation would be today?
The same as if alcohol production methods had been of been developed by the Ancient Greeks.
>smoking meth would be as normal and acceptable as drinking alcohol
>maybe some writers and engineers would have been more prolific with access to a powerful stimulant like methamphetamine
nothing else would change. Idiots with no self control will find a way to ruin their lives regardless of what drugs they have access to