Nah, I'd bet my left arm that the guy is just scum. He is a guy that stands in the way of yuri so death is all he deserves.
^ This. Yes. 
I mean, we can see objective things he's done in regards to being controlling, suspicious and callous that illustrate he's a shitty guy without needing to factor in Maki's bias for Midori.
Constant verbal abuse, asking for servile obedience, making her pregnant against her will... I don't care if it was the norm in Japan's past, no woman should have to put up with this kind of crap nowadays.
I was confused by the statement "making her pregnant against her will" but then I reread the whole stuff and I got it. Damn. The guy's a total vile person.
Maki's right to feel like taking Midori away from her self-made hell: sham happiness.