Metric time is fun, but why not take it a step further and abandon the metric system, which places too much emphasis on base 10? We used the (21 cm) hydrogen li

Metric time is fun, but why not take it a step further and abandon the metric system, which places too much emphasis on base 10? We used the (21 cm) hydrogen line in the Pioneer plaque; if we don't use metric with our potential cosmic neighbors, isn't that a sign we should reconsider its usage?