Space&#x2F;weight <i>limits</i> of trucks are not the critical factor - sure, they&#x27;re &quot;infinite&quot; if you insist on thinking in the wrong paradigm.<p>This isn&#x27;t the Internet where links have a bounded capacity and zero marginal cost. The trucks&#x2F;planes have their schedule - more packages mean more fuel is used, not exhaustion of discrete slots. Delivery services do not make money by <i>queuing</i> packages.