Perhaps these “obstinate” engineers have good reason in their decision. And it should be their decision!
To be so confident in what is “the right way (TM)” and try to force it onto others is... revealing.
Sounds like a human? The ‘statistical’ part is arguable, I suppose.
I'm sure I will have no problem whatsoever remaining in the employ of a firm that trusts me to make products and tooling that still push the envelope of what's possible without having to resort to the sheer brute force of trillion parameter-scale models.
After 18 months the hard evidence is in place. And much like replacing bare-metal servers for many use cases where evidence shows that the burden of k8s or the substitution of shell scripts for Terraform, it's time to move on.
I don't really see a place for no AI usage in line-of-business software apps anymore.