I think this is reasonable, but I'd rather have it enabled by default.
While I sympathize that sometimes it's easier not to use ClassBot for questions, sometimes (especially during the larger events, like Ubuntu Open Week) session leaders have trouble following -chat and finding all the QUESTION: lines because it may be too busy or they're focused on teaching, which is why ClassBot offers this functionality at all.
I think this is reasonable, but I'd rather have it enabled by default.
While I sympathize that sometimes it's easier not to use ClassBot for questions, sometimes (especially during the larger events, like Ubuntu Open Week) session leaders have trouble following -chat and finding all the QUESTION: lines because it may be too busy or they're focused on teaching, which is why ClassBot offers this functionality at all.