OK, Doomsday vs Clark: The whole season has supposedly been building up to this confrontation, and this is all we get? It's not just that it was a short fight, but that it was a pointless one. Doomsday is indestructable, they know this won't kill it.
Clark and Davis: This was ironic, and Ollie had actually suggested this. It makes sense, possibly the only sense this season, that Clark would try Black K on Doomsday to "save" Davis. The thing is, you don't try something like that thinking it will save anyone but Davis. You do it to save one person, yes, but not if it puts even two people at risk, much less the entire world. The best case scenario here doesn't really play out in the positives. Clark should have said, "If I get the chance, I want to try the Black, because we should save the Davis persona if we can." Davis shouldn't have been the main goal, the main goal is saving countless lives from Doomsday, even if it costs several in the process.
Chloe and Doomsday/Davis: All those loving looks from Chloe to Davis were just flat out misleading. Chloe's choices are still not explained or logical, there was no reason to stop Clark sending him to the Phantom Zone.
Jimmy: Cheap trick. Not clever. It might have been clever if they mentioned his brother's name a couple seasons ago. And the kid should have had red hair.
Clark vs Ollie: They both need to back off. Ollie should tell Clark that he has felt regret and questioned his actions, Clark needs to understand that human beings kill in self defence, and ultimately killing Lex Luthor is self defence no matter when or how you do it. What we have instead is two characters who should be able to get along, they are instead having a testosterone fueled feud.
Clark vs the League: Let's pretend to go along with Clark, and then side with Ollie at the last minute. OK. Clark is part of the League, he has to be part of the League, if the League is playing around with him and siding with Ollie, it put's the weight against Clark. If Clark is "right" and everyone else is "wrong", then he should have nothing to do with them. They are all too black and white about this. It is a device to drive them apart, not realistic.
Clark vs Himself: Maybe this is a journey he has to take, but he shouldn't have to. 5 second philosophies are not something to decide your life. Clark isn't showing the wisdom or thoughtfulness to justify turning his back on his humanity. He is not showing a lick of intelligence or memory either. Kryptonians are not emotionless robot Vulcans. They have emotions that have always appeared not dissimilar to humans. So what is Clark supposedly turning his back on? He is already human, the Kryptonians were human in all ways except they had powers and technology. If there is a difference, the writers need to decide what it is and depict it.