There are many people who eat mammoth every year, as it is an easily available food source if you are digging for tusks. It is said it tastes like very freezer-burned beef.
It sounds like a tiny number of people might have eaten mammoth in the 20th century, which while surprising in itself is quite far from many people eating it every year.
I mean, I was hearing stories 35 years ago about Russians eating mammooth meat and it wasn’t controversial then…