and their primary reasons were (1) a denial of causal functionalism and (2) the Chinese room argument, and we had tried hard to elicit other objections, then MIRI and FHI should update in favor of more confidence that we're on the right track.

Unpack "top 10 AI experts" as "who we think the top 10 AI experts are" and unpack "their primary reasons were" with "we think their primary reasons were", and this updating will sound a lot more silly, especially if further conditioned by "we do not have a way to show our superiority in a more objective manner".