Simple
It has the potential to be loud. And beginners often fall into the mistake of substituting skill for enthusiasm.
Bodhran falls into the same category, only total beginners don't think they need the investment of time, and what are dots anyway?

You might not notice a good player, but a bad one intrudes. And melodeons don't get off the hook on that score!

Trump must be a harmonica player because George H Bush described him as a "blow hard".