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Does it make the guards any smarter? There is a fair amount of "ignoring the dead colleague nearby" and "selective hearing of that colleague's demise just a few moments ago."
Aroogah-
No but it punishes you more if when you do get seen
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MGS V is great in this regard, even if it might be a bit lacking as a MGS game. Tons of great details such as, you can't hold up guards until you've hired an interpreter that speaks their language, reporting missing people and odd sightings.
My favourite is that there will be trucks moving throughout the map and stopping in all the different bases (which you can hop in the back of with a cardboard box and travel quickly), and if you steal their truck whilst they are in a base they will report it over the radio, and the commander tells them nothing has been reported, someone else muddy have needed it, and they should carry on on-foot. So off try run. (Bit #csb)
Sumo
branwen
Play Wolfenstein on hard.
Also if you've not already played it give Bioshock Infinite a go.