A funny result from NLP work on summarization is that the first sentence of a news article usually turns out to be a pretty challenging baseline to beat  This isn’t necessarily a bad thing—it’s great for us as human readers that news writers do this!
Summarization is an active area of research, with both supervised and unsupervised training approaches. If you check out NAACL 2021, the most recent NLP conference (the very latest, ACL 2021, starts today), there are twenty-seven papers about summarization 7!