To all those who hate Inoda, I would recommend turning on your brains and thinking about which character made this game possible in the first place, made it so popular, and gave it NTR.
Respect your creator, even if he is fat, smelly, and only thinks with his dick.
I like Inoda since he's just one of those generic NTR antagonists, and a lot of works has these tropes. I don't self-insert, I just love the degeneracy.
But I can understand the sentiment on the other side too;
For one, the NTR of the story is already gone since Asuna has accepted Inoda either as a sex friend, trial boyfriend, or just his pig wife. There is no more plot to pursue in this route other than immersing yourself in Asuna's corruption until pregnancy and it's degeneracy.
Kirichad's route provides an extension to the game's plot, albeit may not be NTR anymore. The administrator's ultimate plan trying to corrupt Kirito into the other NTR antagonist trope (aggressive fuckboy) either as a gift for what we the player done, or a curse to increase her power. The game can go on, but it's more both of them pursuing their own dedicated harems, which is pretty cool in itself to end. Forgive me in advance since I'm not heavily into the plot.
And lastly, Fujino's piece de resistance is his KK scenes; the plot can be as shit as it gets, but his scenes are amazing in quality. If he does put in more work on improving his Kirichad scenes, I myself don't mind it; it's still sexy. I can attest to this after seeing Shark x Alice. Not Kirichad himself, but he can make good scenes outside Inoda x Asuna, Inoda x Liz.