And AWS heavily pushes a complex lambda solution stringing together as many chargeable AWS services as possible for a simple requirement
Their interests are often not your interests. In this case they want you to unnecessary money on useless work (let's stop the euphemism of "tokens" btw)
you can just tell them to do more dynamic testing. I think dynamic testing is partly frowned upon because it slows things down & can take down software where you wouldn't expect
That assumes Tokens will remain a meaningful expense. I’m not sure developers will find uses for ever more tokens nearly as quickly as the prices fall.