Different benefits will show up at different rates. We don't need to wait for cancer cures and fusion reactors. It's already easier than ever to start a small business and use AI for things that would have been prohibitively expensive or time-consuming before. The technology is transforming how scientific research is done, how engineering is done, etc.

I don't see much evidence in the economic data that AI is disrupting livelihoods. Unemployment has been stable around 4% for a while and productivity growth has been at historically normal rates for the past 5 years. I think a more likely explanation is that AI is increasing uncertainty in some industries, which are seeing higher employee turnover, and many of those people are moving laterally into other jobs where their skills are more likely to be useful.

I don't think anyone in this thread has argued against mitigating harms. The OP was about current capabilities and the perceived lack of benefits for the average person.