Imagine someone wrote a blog in some obscure language that few people speak. If you happen to know that language, you'd think wow this is great. If you don't happen to know that language, you'd just think it's a shame. This is the same thing, just to a lesser degree. Some people might be interested in putting in the effort to learn a bunch of foreign cultural references, but not everyone.
The French didn't like it when the Lingua Franca switched from French to English and the Brits still whine that British English is no longer the dominant variety.
It's a trade-off: you can write in your regional dialect or you can write in a more widely understood global style.
Python is faster to write so obviously you'll see things built in Python first more often than the reverse. What's that quote -- "Better to remain silent and be thought a fool..."
If the maintainer merely doesn't fix the bug, then yes. If they close the bug report so it gets lost and other contributors are discouraged from working on it, then no.