Yes, they update frequently and for good reasons. The answer is simple – search engines value the user's preferences and search experiences. Their point is to display the most relevant results that satisfy the intent behind the searched query. Rand Fishkin's August 13, 2019 Less than Half of Google Searches Now Result in a Click article, points out that SEO still dives more web traffic than anything else. Google’s continual efforts to answer more internet searchers queries without a click to any results OR a click to Google’s own properties are radically changing the digital landscape. The trend that zero-click searches and clicks that bring searchers to a Google-owned site continue upward. Your SEO has to update or die.