People don't care about such content and so does Google.
I'll talk with the team about richer data as it furthers our SEO goals. I think the idea here would be that better engagement will improve our ranking? Is that correct?
The tricky part is getting impressions and clicks but this could help.
Absolutely. Rather than performing optimizations for SEO, it would be better at this point to add more to the site. Once that's done, post about it in different places like on Reddit. You should start to see more traffic from both web crawlers and people alike