That may be true, but in this case simply listing a few system fonts in their order of precedence resulted in less code to maintain since you lose the import directive. See the updated article.

In general, the way I see it, relying on code and data from a third party at run-time is a liability. The code and data you no longer have to maintain is now impossible to audit because the vendor may replace it, stop providing the service, start using it for tracking etc. at any moment. It's code that you should be maintaining but can't.