Dunno if you are a shill or just misguided.
I'll only respond this once JIC you are the former.
"Aliens" are are agents of the Adversary, demons.
Check out this video if you want to understand.
Not notable
Air traffic for light aircraft around ANC is constrained to narrow airspace.
Not required to be in contact w/ ATC and many don't have transponders, let alone ADS-B.
It is especially congested in the summer months.
Just a tragic accident that could have been worse.