Hard to ignore the discussion in front of.. whatever this is.
Something doesn't add up here. You should know Grounded has little to do with "damage" and all to do with flawless peripheral vision, reactive position holding taking current and future exposure into account, constant flanking, but just AI in general..
To even things like these:
Despite being out for nearly two years, some The Last of Us 2 players are still finding things they never knew, such as a neat Grounded detail.
gamerant.com
Always a constant in discussions with Part II downplayers, the revealing head-scratching moment.
There are ways to exploit the AI at times if you know what to do in a few conditions/encounters, but vast majority of the time Grounded AI is impossibly ruthless to the point of frustration (Hillcrest, Hostile Territory as two examples of many).