[ahelwer]

I'm not sure what you're saying. If your model does not accurately reflect observations, your model is wrong. That's not to say it isn't useful - we still teach Newtonian mechanics, after all - but you wouldn't use it in any serious discussion of the topic.

[sbergot]

You wouldn't use Newtonian mechanics in any serious discussion? This is a strange claim.

[Retra]

They probably meant 'serious discussion' as a proxy for 'discussion demanding the highest available accuracy.'

But that doesn't really work in this analogy because quantum physics essentially assumes Newtonian physics as axiomatic, so there is no way to avoid it no matter how 'serious' you're trying to be.