Hi michailfromhackettstown,
welcome to the Apple (user-to-user) Community!
Re: How do I permanently disable Airtag notices from people I know or permenantly turn off the Airtag alert notices altogether
Am no expert on AirTags, yet your question surely deserves a response.
Seems only AirTags separated from their owners and in your vicinity should trigger alerts ... I may be wrong.
Apple support has a video online that may help with AirTags moving with you.:
Although it is called "How to locate an unknown AirTag moving with you on iPhone" the video may give some tips that can also apply to "known" AirTags as well
https://www.youtube.com/watch?v=mGh7-IuPRR4
Eg: Says
"You'll receive a notification as long as you have location services and bluetooth turned on in settings, and tracking notifications turned on in Notifications".
and
When you find an AirTag is moving with you:
"You can tap "Pause Safety Alerts" to stop receiving alerts".
Also: "You can tap "Instructions to Disable AirTag" and follow the onscreen instructions" (That seems a fairly drastic move though!)
So seems turning off either or all of:
location services,
bluetooth,
and /or tracking notifications .... may just do the trick.
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An online article:
What to do if you get an alert that an AirTag, Find My network accessory, or set of AirPods is with you
Eg: says: "If your device is in airplane mode, you won't receive tracking notifications."
So if you want to keep the other settings set, an easy way may be to use airplane mode while the offending AirTag is nearby.
If you wish, you may want to send Feedback to Apple on this issue:
They will likely not reply, yet your info. will reach those who can make changes. If others are having the same difficulty, and also let Apple know, it may assist in seeing updates/ improvements come into effect.
Online web-form for feedback:
Feedback - AirTag - Apple
All the best :-)