Sorry, I was having dinner with my FAMILY. I would hope you could understand.
Looks like you haven't had any luck with someone who has Mazda expierence.
Sounds like your research with Mazda sites and techs is incorrect or they would have told you were the reset button is.
I have NEVER seen any Mazda engines shut down from low oil pressure. I have replaced broken oil filter housings and engines on many of these cars, caused by damaged oil filter housings during oil changes.
Perform a compression test to verify the engine is any good.
Here is a list of items to check for cranks no start.
Verify there are no aftermarket remote start/alarm systems installed. Remove is so.
Check all fuses and relays. Swap Main relay and fuel pump relay with other like relays. Check for any fault codes stored in the PCM.
Engine CKP (crankshaft position sensor) is a cause for no spark or fuel.
Thanks for your PATIENTS,