Since caches are no longer shared between pages, it actually is often better to self host your fonts than rely on public CDN’s. Makes it even weirder that Google does not offer a simple solution to self host fonts.
See my top-level comment pointing to where Google is specifically refuting that. So you're welcome to believe they do, but it'd have to be a conspiracy that nobody at GOOG has ever whistleblown.
unknown|5 months ago
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Velocifyer|5 months ago
xp84|5 months ago