Do you consider gwern not to be an AI expert? I think this is a reasonably technical explanation of how we may not be as far away from AGI as some choose to believe: https://www.gwern.net/Scaling-hypothesis
Reminds me of this talk by the failed tech startup's non technical CEO who apparently was able to see the bigger picture that scientist aspergers needs weren't able to see.
As examples, Le Cun has a h-index of 127 Hinton 164 Goodfellow 75 etc. None of them consider AGI to be a realistic possibility this century. Kurzweil, the AGI proponent, has an hindex of 22.