Is this the case of the metric system vs English system? IMHO, the metric system is superior, but it is too expensive to change in the US. Or driving on the lef

Is this the case of the metric system vs English system? IMHO, the metric system is superior, but it is too expensive to change in the US. Or driving on the left or driving on the right. In this case both are similar but it is desirable to have a worldwide standard.