This would make the fortresses, shield worlds, facilities, towers, ships, weapons all feel distinct and having purpose, lore connected technical aspects and allow for opportunity for the player to have objective linked to various Forerunner faction specific missions such as needing a Builder artifact to repair a forerunner ship, miner tech for materials needed for such repair and utilization of lifeworker tech to heal human combat injuries and help catalog species.
Warrior caste Forerunner tech could be applied by UNSC Science facilities to better augment spartans, armor and weapons etc
and these stories and exploration could tie into discovering Ancient human worlds etc
a lotttaa stuff from the extended Universe could make this game feel mysterious, new and exciting so Im hoping 343 has this gameplay connected lore integration in mind