Here are some numbers of active devices per Android version (Google used to publish those themselves in the past).
But I have to admit that I donāt like the use of āridiculouslyā old. A12 isnāt even on that list yet which makes A10 the second-to-last. Sure, itās the oldest version to still receive patches. But Iād prefer news outlets to use less extreme vocabulary, even if itās true that there are too many devices with outdated (as in ānot patched anymoreā) versions out there.