Let $X$ be a smooth projective curve over an algebraically closed field of characteristic $p>0$. Suppose that the genus of $X$ is >2. Let $Y$ be a non-trivial $\alpha_{p}$-torsor or $\mu_{p}$-torsor of $X$. Write $S$ for the set of singular points of $Y$.
Is the cardinality $\sharp S>2$ ?