(Also fun when you just outsource task in a language introduction task in a leetcode-like setting and get surprised it actually allowes you to make http requests...)
In seriousness, the interview is supposed to give a taste of how the candidate thinks and codes in general. If they start using every obscure language feature under the sun, I am not too sure they got the idea.
The point of fizzbuzz is to figure out if you are not a rock. If you cant figure out how to code fizzbuzz from basic 8th grade logic something is wrong.