I am not sure this helps people get into the habit of paying attention to news instead of hovering over social media sites, other than raising awareness. Every one of the feeds can flood your RSS inbox in a few hours, and a normal person simply don't have time to catch up with all of them. I remember this was how I abandoned RSS the first 5 times.

You may want to pick only a few of them, maybe one for each political leaning, and look at their site to see if they provide feeds by section, then pick the section you are interested in, instead of importing the OPML whole.