Why? You think having room to do 200 more dps in an optimised setting assuming perfect play and good RNG matters when the group dps is 160k?
You're splitting hairs mate. The only instance where DM and HoL are ''better'' against magic is if it's a repeated heavy hitter (Styx) or if it leaves a nasty DoT and PLD can't flash it. Also let's not forget about the Regen buff to shake it off specifically to tackle that discrepancy. But that still leaves them worse against single hit raidwides which are the majority of raidwides anyways, and potentially worthless in the case of physical raidwides. Which we've seen a lot of in this tier.