[spoilers] combatants will be dispatched episode 12 (finale) discussion

I prefer this anime over Konosuba. It is a bit more finicky, but it makes way more sense.

There is a point in the MC acting like an idiot. In Konosuba, Kazuma acts as a full-on pervert for no reason at all. Megumin would have been totally fine with "being closer" with him if he didn't act like that, if he were a normal human, he would have guessed so the moment it was happening, or that other goddess having an eye for him. He's so exaggerated as a character that it isn't that enjoyable anymore. Obviously, the production value is way higher in Konosuba, and the characters are built more to make a "funny show", but as a story, this anime is superior.

N6 is an adult, so it makes sense that he would have certain interests. He's in an evil organization, he gains points from acting badly and such. The story is built to make sense, whereas in Konosuba, things just happen one after the other at random.
For example, that one time, when Megumin started bombarding a castle, and after a while, the owner ( who luckily is one of the demon king generals ) shows up ( cause luckily he's also the general who wouldn't die after being hit multiple times by that spell ) and so on...
It's built to be "funny haha", here there is also a story. N6 acts as an idiot, but he knows what is good or bad for him and his "team".

Almost, if you remember they said that Faustress have a "Random Teleport" spell that teleports him and someone somewhere in case of emergency. Well, he end up teleporting him and the hero to Earth (so they are still alive but under Belial command).