I think your statements that majority of people who have had an AI education think we are no closer to hyper intelligence than the 1500s is inaccurate.

Here is a survey (first one I googled) showing most believe it is relatively soon: https://aiimpacts.org/agi-11-survey/

I think if you want to critique Bostrom that is fine, but better to do so on the merits. His work is straightforward to read.