The YouTube license TLDR says "Don't download" yet the Red service offers offline viewing. So my concern would be that the summaries might cause more confusion, especially arrive premium features.
EDIT: fixed typo
Neat. Was just wondering about the Creative Commons Attribution Share-A-Like license with regard to a hardware project and used this to sanity check my interpretation. I also was very glad to find this page when I went looking: https://tldrlegal.com/license/tldrlegal-terms-of-service#ter...
I needed this. I never fully understood the various licenses available.