Nataliia, 

Thanks for addressing this issue, I do think your message clarified a lot and moves us forward with some paths and goalposts. 

For a single, very symbolic, example, let me point you in the right direction of https://phabricator.wikimedia.org/T280886 

A full 4 months after the resolution, and now 20 months ago, I created a rather simple task add links to the UCoC to all WMF wikis. Code for it was written and it briefly was live before being reverted due to indecision on where the text policy should live.