The two specific options you've listed are certainly important stories. I can understand why many might say "Right on!" But heartwarming? Not so much. I think part of the problem here is that heartwarming stories don't typically make the news, unless they concern people local to your area. So I might nominate "Unknown Local Hero" [who rolls up their sleeves, does good works, starts a GoFundMe for someone down on their luck ... or whatever.] Or how about the following story:

https://www.bbc.com/news/articles/cj4vre2j4qqo

Just the general idea of getting away from impersonal dating apps., avoiding spammers and marriage fraudsters, caring for others and really connecting with our fellow human beings!