First, you can just google for "logistics is a shady business"
If you want to be more specific, you can google for "carrier haulage tax evasion" - this will be just the tip of the iceberg.
Supply chain is mixed with shady practices for tax evasion, bribery, laundering and all sorts of shady things at all levels that "compete" with actual process optimization. Combined with overall opposition to automation this incapacitates any effort to make the process efficient cuz it's hard, it "steals jobs" and not easy money.
If you want to be more specific, you can google for "carrier haulage tax evasion" - this will be just the tip of the iceberg.
Supply chain is mixed with shady practices for tax evasion, bribery, laundering and all sorts of shady things at all levels that "compete" with actual process optimization. Combined with overall opposition to automation this incapacitates any effort to make the process efficient cuz it's hard, it "steals jobs" and not easy money.