For years, No Man's Sky has drip-fed new content through its free expansions, expanding the story and gameplay with new weapons, vehicles and species. As a result, the meta has often changed, and once-titanic instruments of destruction have diminished to utility tools that are better as cosmetics than weapons.
With update 4.4 Echoes, No Man's Sky changed how multi-tools behave. It has made important alterations to both what they can be considered, and how they influence the economy. Multi-tool trading became a big industry, and as a result, knowing which multi-tools are best is critical information.