What is the goal of the spoofing intelligence

This article does a pretty good job walking through the Anti-Spoofing Protection and how MSFT is working to defend against those threats.
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/anti-spoofing-protection?view=o365-worldwide
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/learn-about-spoof-intelligence?view=o365-worldwide

The Tenant Allow/Block is all about the admin override of those technologies.
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/manage-tenant-allows?view=o365-worldwide

Not 100 % but i suspect the goal is to move to the tenant and allow/block instead of using the traditional allow and block options in MDO. THis sis still the best practice i follow for doing allows.
https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/create-safe-sender-lists-in-office-365?view=o365-worldwide