ok i retract that HE IS FORCED to do at all times and circumstances—but to say, he is not allowed to, in the correct circumstances and times —caused the Temple to be destroyed (the Gemara brings this Braisa in a monetary tractate, i think its in Bava Metzia).
Therefore C.S Shapiro should use logic (sevarah, Igros Moshe mentions this) whilst keeping the basic Halacha on the subject.