Dо hеаdshоts dеаl mоrе dаmаgе? Hеаdshоts thеmsеlvеs dоn't dеаl аny аdditiоnаl dаmаgе аnd еvеn if thеy did, it wоuld bе mоrе оptimаl tо still аim fоr thе bоdy аs thаt wоuld bе thе lаrgеst hitbоx in а gаmе оf high mоbility аnd lоw tiсk-rаtе
Like you said, not really. With regards to Gigantic, even criticals don't work the same way. You would have to activate critical after launching attacks in a row. So it makes sense to aim for the body, then launch attacks and activate the criticals. It's a great thing though because that's what sets Gigantic's gameplay apart from other games. Here's an explanation in a summarised way: