"This kind of oversensitivity is everywhere, . . . "

I guess there's some wildly differing views on what constitutes "academic" pursuit. The way I see it, the accumulation of knowledge and its communication across generations does not mandate any specific political agenda. Indeed, a couple of the posts in this thread are quite academic and would support a notion of an apolitical approach to portraying the history of the jew's harp. Here is an academic dissertation which also supports the use of "jew's harp" as correct.
HISTORY OF THE JEW'S HARP