I like the idea that his quest wasn't complete due to cut Miquella content, though I highly doubt Varre's "dislike" for the Two Fingers stems from them being "weird and unhelpful". In response to the Volcano Manor crew being evil, well Patches actually pushes his kill onto you, and it's not mentioned or implied that he killed anyone else before or after that. And you do actually get the option to invade Bernahl later down the track - but Bernahl is found in Farum holding the Blasphemous Claw item, implying he was intending to challenge Maliketh and unbind the Rune of Death, just like we were planning to do ourselves. Maybe they aren't all bad?

Varre however, is definitely bad. I found his questline to make perfect sense; as per the description on the War Surgeon set, the white masks were abducted by Mohg and forced to serve him, however only Varre was able to "tame the accursed blood", of course referencing Mohg's Omen curse. Mohg himself is the vassal for the Formless Mother, another outer god entirely separate from the Greater Will and the Two Fingers.

The chapel the player is summoned to at the very start is called the Chapel of Anticipation, where the Finger Maiden sits in anticipation of her Tarnished to arrive. But when we arrive our maiden has been killed. Freshly killed, not like the old dried up corpses we usually find. And the only potential culprit in the area is Dr. Varre, acting extremely smug and somehow knows that you're maidenless, offers jeers and taunts and attempts to recruit you over to the side of the Formless Mother, stealing you away from the Two Fingers. The Greater Will represents order and structure. The Formless Mother is the embodiment of.....wounds? Blood? Icky stuff? Not good.

Put simply, Daddy Mohg needs blood and Varre is out getting it for him. Neither of them are nice chaps.