Come on, Bastion is nice but nowhere as sophisticated as Hades. Neither the gameplay nor the replayability would have let you think the team had the ability at the time.
As for transistor, the story is basically "futuristic world is being destroyed by virus-type-invaders and your sword/companion is the key to beating it", with a predictable end and almost zero character dev.
Being able to make ok games doesn't translate to the skill to make a masterpiece.
It was a quantum leap.
It would be like saying you can deduce Divinity Original sin 2 would be amazing because you played the first one.