Takano wasn't a looper who was consistently trying to murder someone over and over again for the sake of it.
I'm not trying to argue that she was a great person, her own circumstances were absolutely dreadful in their own way, but from Takano's perspective she (tried) to commit the whole "gonna genocide this village" just once and failed.
I was thinking more how Ryukishi and his approach to the story.
His afterword to Higurashi included him talking about how Takano and Teppei getting punished isn't the ideal happy ending he would've wanted, even though Takano was going to commit a horrible atrocity, and Teppei was 100% a complete bastard without anything resembling sympathetic traits. If Ryukishi didn't even feel like scumbags like them deserve punishment, he wasn't going to want to punish Satoko either, even with her sins being so much greater.
Of course, I guess he only cares about the living. Rika and Satoko's parents, despite not being bad people, get to stay dead, even in the final world.
Again, not trying to say that perspective is the wrong way to look at things, since at the very end of it all its "happily ever after" with the whole gang alive.
My point is they put so much emphasis on the whole "This is going to come back and bite you" with the whole people remembering past fragments, hell even Eua outright mentioned that the effect on the memory was getting stronger per loop.
Yeah, those things are pretty big issues with how the loops are treated. Being able to discard old worlds may be a necessity to not become completely deranged as a looper, but it's kind of a seriously sociopathic sentiment to take.
Memory leaks are definitely one of the worst handled aspects, that's for sure. The gang only got old memories they also got in the original, and other than that, it's just a convenient plot device to rewrite Teppei and Rina's characters into something completely different from their original selves. Obviously the club won't ever gain memories from either all those times Satoko killed herself or the horrible tragedies they caused. That would actually make them relevant to the plot, and that's just unacceptable.
So why is it that he can just casually get up, no strings attached? He should be according to cannon, tied to the bed in order to prevent self-harm and him potentially harming others.
But nah.. Let's just let him wake up, pretty much completely fine, not tied down and not like muscle atrophy from being in a coma for an entire year is a thing. 
Since the episode takes place in March '87, it's more like being nearly five years in a coma, so I guess they figured it'd be okay to not restrain him at that point. It's still dumb, though, because that's not something you can reliably determine from someone in a coma.
