DFU mode to revive macbook not working, just want to wipe it

As has already been mentioned Extra Special Notation regarding the Touch ID equipped Apple Computer.

About Startup Security Utility and Must Enable from Recovery Mode the ability to boot from External Drive Before

Attempting to boot the Problematic T2 Equipped Computer without FIRST Enabling this, will not boot from Anything External be it Windows Bootable Installer, Linux Bootable Installer or macOS Bootable Installer.

This is the Apple Secure Enclave that guards against this - period.

Was this method from Apple Used >> Use Disk Utility to erase an Intel-based Mac

Then this also from Apple >> How to reinstall macOS

" hiddern recovery partition " is what allows the Reinstallation process to function and can not be removed from Recovery Mode because that is what it has booted from

EDITED

The Below will WIPE ALL DATA and there is No Recovery - Period.

To perform this action will require booting from a Bootable Installer. 

This will have to be performed from a Qualifying Computer to run the version of macOS to be made on the Bootable Installer. Example : Bootable Installer of Big Sur would have to be done on a computer that Qualifies to run Big Sur.

Once that is done read on for preparing the Destination computer

  >> Only works on Intel Based Apple Computers.

Judging from Actions already taken SMC and NVRAM the is an Intel Computer

Extra Special Notation regarding the Touch ID equipped Apple Computer.

About Startup Security Utility and Must Enable from Recovery Mode the ability to boot from External Drive Before Attempting 

1 - Shutdown computer and disconnect all external drives Except the newly created Bootable Installer.

2- Restart and immediately hold the OPTION key until the Startup Manager appears and choose the USB Drive. 

3 - It will present options >> Disk Utilities >> View >> View ALL attached Drives. 

4 - Choose the Upper Most Drive ( not the volumes indented and list below ).

5 - The drive normally is called Apple Media or Apple SSD - that is the drive to Erase and format as APFS with the GUID Partition Map. This applies to macOS 10.14 Mojave and above. 

6 - Once that is done >> backup out of Disk Utilities and choose install macOS. 

7 - Follow the prompts and it may automatically reboot several time. 

8 - Upon a final reboot - Setup Assist will present with the newer version of macOS.

So this is a MacBook Air from 2019 ?

Was Size is the Internal Drive ?

Further - this computer has Touch ID which implies it has a Secure Enclave

To that - unless the user Enable Booting from an External Drive via Recovery Mode - this computer will never be able to Boot from anything External , not even a Bootable Installer of anything.

If one has attempted the Revive or restore an Intel-based Mac using Apple Configurator 2 and it has Not Worked?

The Options, at this point, are slim to none except to carry it into an Find an Apple Authorized Service Provider or Visit a Genius at an Apple Store

A Thunderbolt cable does not work

• 4. A supported USB-C to USB-C cable that supports both power and data. The original Apple white charge cable is ideal. Thunderbolt 3 cables are not supported according to Apple, but it works fine according to Mr. Macintosh.

https://iboysoft.com/wiki/dfu-mode-mac.html

macOS Mojave was released September 24, 2018.

This computer is a 2019 model.

Predicated on that as being true and accurate - Not sure Mojave can even be installed on this computer.

The Apple Licence of Use Prohibits downgrading the OS to a version Older than what it Originally came installed with as New.