Looking at the first movie (phantom menace). There are super powerful droids with double guns and shields https://starwars.fandom.com/wiki/Droideka The only reason the main characters don't get obliterated is because they are master jedi who managed to deflect a few repeated hits and then barely slipped away and escaped.
The next episodes 2 and 3 largely feature battle droid https://starwars.fandom.com/wiki/B2-RP_battle_droid that are owning the battlefield. They're again not killing everyone because they only show up in battle against highly skilled jedis and in the full scale battle between armies having rockets and much stronger weaponry.
They have plenty of powerful droids. But those droids win by virtue of sheer firepower, shields, and numbers. You don't get the sense that they're individually more competent than a human. They're just soldiers that happen to be robots. 1-3 is generally not aligned with 4-9 either way and this series takes place in 6.1.
If we're in a world where the "robot advantage" exists, you'd have to question why humans pilot the ships, or man the turets, or what not.
Looking at the first movie (phantom menace). There are super powerful droids with double guns and shields https://starwars.fandom.com/wiki/Droideka The only reason the main characters don't get obliterated is because they are master jedi who managed to deflect a few repeated hits and then barely slipped away and escaped.
The next episodes 2 and 3 largely feature battle droid https://starwars.fandom.com/wiki/B2-RP_battle_droid that are owning the battlefield. They're again not killing everyone because they only show up in battle against highly skilled jedis and in the full scale battle between armies having rockets and much stronger weaponry.