“Neville, the Klingons did teshuva. Where they stand a tzaddik gamur cannot stand”
Regarding Baalei teshuva That is incorrect ,thougha pervasive mistake .
cf. Chovos Helevavos
“but what’s with people saying Hebrew isn’t Lashon Hakodesh? ”
A.it’s a polyglot
B.It’s pronunciation and other sleight of hands was enacted in order to separate it from Lashon Hakodesh.
C.Some distinguished jews used to call it “Achshavit” as (achshav) i.e.this present language