Spore devs say the evolution game's previews were more ambitious than what they were actually making, and they 'built a fantasy in people's minds that was unachievable'

The evolution sim that was never meant to be.

PC Gamer

Spore devs say the evolution game’s previews were more ambitious than what they were actually making

Not often they just casually admit to false advertising like that.

The devs didn’t handle marketing.
That doesn’t vindicate the marketing.
Never said it does, just that it’s not so much an admission as pointing the finger.