> The issue, …, is that proper safeguarding would require a lots more GPU resource, …

I think the issue is that with current tech is simply isn't possible to do that well enough at all⁰.

> even then its not a given that it would be reliable.

I think it is a given that it won't be reliable. AGI might make it reliable enough, where “good enough” here is “no worse than a trained human is likely to manage, given the same information”. It is something that we can't do nearly as well as we might like, and some are expecting a tech still in very active development¹ to do it.

> However it'll never be attempted because its too expensive and would hurt growth.

Or that they know it is not possible with current tech so they aren't going to try until the next epiphany that might change that turns up in a commercially exploitable form. Trying and failing will highlight the dangers, and that will encourage restrictions that will hurt growth.³ Part of the problem with people trusting it too much already, is that the big players have been claiming safeguards _are_ in place and people have naïvely trusted that, or hand-waved the trust issue for convenience - this further reduces the incentive to try because it means admitting that current provisions are inadequate, or prior claims were incorrect.

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[0] both in terms of catching the cases to be concerned about, and not making it fail in cases where it could actually be positively useful in its current form (i.e. there are cases where responses from such tools have helped people reason their way out of a bad decision, here giving the user what they wanted was very much a good thing)

[1] ChatGPT might be officially “version 5” now, but away from some specific tasks it all feels more like “version 2”² on the old “I'll start taking it seriously somewhere around version 3” scale.

[2] Or less…

[3] So I agree with your final assessment of why they won't do that, but from a different route!