Google always brings update with some major changes to its algorithm. Recently Google updates their algorithms with some miner facts such as your content and websites should be relevant and closely experts around your topic.
Features snippets do matter equally, Induatual paragraph can rank on Google for your main content, SEO titles, and meta description should be proper, your link juice should come from healthy and authoritative web sites, Your backlinks should be real and relevant.
So whole algorithms bring some content perfection and relevancy to your target.