Except we don't get "flawed" Venat. We get 'tragic heroine' Venat who is venerated. Despite what's been said in interviews and the seeming walk back of the positive narrative surrounding her, all throughout 6.0 she is treated as benevolent, kind, loving, and good, who made the best and only choice (despite evidence to the contrary). The Scions kick into full hypocrite mode in regards to her despite the fact she is the embodiment of everything they have historically fought against and condemned, the WoL is not given any dialog options that aren't favorable to her, and Emet-Selch's characterization was completely broken in order to "commend" her in UT. The single only person who calls out what she's done is herself and she has no regrets, her ending is exactly what she wanted.
Nuance was stripped out of EW in order to prop up her character, so we're left with what is essentially an antagonist (regardless of whether or not she was well-intentioned) being presented as a protagonist and there was too much dissonance for a lot of people for me to agree that it 'worked'.
