I thought of that. If they all think of the same thing, they could be going for something obvious but not quite right. Something that pops out at this class of expert and so they don’t feel the need to go any further. But if you have an answer to that, that doesn’t mean there isn’t a remaining problem not available to surface inspection.
Actually, no: because this would be a sign that they aren’t capable of finding a better counterargument!
I thought of that. If they all think of the same thing, they could be going for something obvious but not quite right. Something that pops out at this class of expert and so they don’t feel the need to go any further. But if you have an answer to that, that doesn’t mean there isn’t a remaining problem not available to surface inspection.