The OP obviously did not rely on what was indicated on the Monroney sheet since, by his admission, he did not get it until sometime after he purchased the car. So an attempted argument that he relied on a written document of tesla’s is out the window.
According to MP3MIKE, Tesla replaces EAP with regular AP when a car comes back to Tesla (“passes through their hands”). So the issue is not whether the OP should have FSD (which it appears he was not entitled to based on an examination of the Monroney sheet), but rather, whether Summon and NoA were a part of EAP in cars built in 08/2017, which Tesla downgraded to regular AP once the car passed back through their hands, snd if thus us the case, whether such act is permissible.
It seems the OP‘s gripe should not be about losing FSD (as it appears the car should not have had it to begin with) but rather, about whether his EAP should have been downgraded to AP once the car was sold at auction and/or by a third party non-Tesla dealer.
Unless the non-Tesla dealer gave the OP a written document that the car included the FSD SOFTWARE to enable full self driving ;thus misrepresenting the features on the car), the OP has no recourse against the non-Tesla dealer as his purcharge contract with the non-Tesla dealer stated it was an AS-IS sale.
Further, the OP said the suction house had no written feature documents on the car, so there is no misrepresentation from Tesla to the auction house, and likewise, from the auction house to the non-Tesla dealer.
I feel bad for the OP but this is the realty of the risk of not buying a used car directly from Tesla. Tesla may still have downgraded EAP to regular AP if he bought the car directly from Tesla, but he would have most likely known what was included on the car, and if their printed listing of the used car said EAP and then he actually got AP, he would have recourse against Tesla.