Lelouch's strategies are mostly things like using electronic countermeasures, diversions, and the terrain to your advantage in creative ways in order to beat a larger force with just a couple of units. I'd say its pretty smart.
He only uses what the writer conveniently gave him
the venn diagram of people who watch anime and cringey asocial 14 year old boys who think theyre cool is a circle, of course its a success
Because it's cool and giant robots are cool numbskull
It's just really fun to watch, I liked the pacing, also CC is an cute. I understand why people wouldn't like it though.