Pheace: Mad max ran like a dream even with Denuvo so it probably didn't gain much on that front, though for longevity it's good.
From the curator i follow (Denuvo Games)
Denuvo still protects it , so....usually this curator is accurate.. However many users mentioned (aside the activation to the Denuvo server) no loss in performance. That's one of the few games where the anti-temper seems to be properly implemented (but that doesn't change my opinion about this crap).
List of current games where it has been removed :
Two Point Hospital (XD....was fast)
Life is Strange : Before the Storm
RiME
Agents of Mayhem
Sniper Ghost Warriar 3
Bulletstorm: Full Clip Edition
Syberia 3
2Dark
INSIDE
Homefront: The Revolution
ADR1FT -> Whish i didn't given away my HB key :o
HITMAN (reboot)
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Games total : 107 / No longer protected by it : 12 / Still protected : 95
Special cases ; Sherlock Homes : The Devil's Daughter & ABZU, avaible on GOG @_@
Of course, asking why in the dedicated subforum on Steam, for each of those 2 games, lead to either trolls by some or no official anwsers.....sigh.
I believe for Sherlock Holmes, it's because the publisher is different between both stores, however for ABZU....