MacBook Pro not showing on Find My Device after being lost

"MacBook Pro not showing on Find My Device after being lost: MacBook Pro lost and not showing now on the find my device app. It has the same Apple ID and was earlier showing in device list"

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Secure your Info:

Having been removed, it seems some has access to your Apple Account. So, change your Apple Account password, for starters. Read more here...

A. Verify your Devices:

Verify that all devices are logged in to your account, by using this link: Check your Apple ID Device List to See where you're Signed in - Apple Support

then...

B. Modify your Credentials:

Having received this, someone may have your credentials. So, by all means, consider modifying them...

• Modify: your login credentials (Using Both a New eMail and a New Password for each and all sites)
• Associate: a different method of payment to your account
• Enable: Two-Factor Authentication for Apple ID and for all other accounts that have such an applicable option

“So it still shows on the Apple ID devices on my iPhone13 but is missing from the devices on the find my device app. This is quite a valuable insight on the loophole of the Apple devices, once stolen can be lost in the practical world.”

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Then that shows that Find My is disabled by whomever (or maybe it was never turned on in the first place). So, I’d be a bit concerned here, and would change my credentials, as provided.

“[…]So do you get the issue, thief steals 2019 MacBook Pro, formats it. Owner looks up his Apple ID details and finds the device which was entered before the incident, however in real time he finds his device not showing in find my iPhone/device app. There is no other way this could happen.[…]”

Removal of a Stollen Device from your Apple Account:

Have one, my left. Booting info Recovery Mode, macOS Catalina is when a password was required to access Recovery Mode.

You have to wait 3 months to disassociate it from your account. You have to wait 365 days to disassociate all devices from your Apple Account. So, having access to your passwords and all, they’ve removed it from your account, perhaps reformatting it, even.