Notice the kernel line in the config.txt.
It has been answered elsewhere before. Raspberry Pi documentation dictates, if the kernel is not exactly named kernel8.img, the arm_64bit=1 must be included.
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Oh! I must have missed that. Thank you!
Though common knowledge here is that dtparam=ant1 refers to the Compute Module antenna and dtparam=ant2 refers to the mainboard antenna, on my CM5 system I am certain the opposite is true.
The aluminum uConsole chassis, as documented elsewhere, acts as a pretty good though not perfect faraday cage. I have a proper WiFi antenna connected to the mainboard mounted on the side of the mid-chassis. I ran iwctl and invoked station wlan0 show to live-display my WiFi signal strength without my back cover screwed in. On ant2, the strength was fairly weak, and once the back cover was screwed on I had a -90dBm strength standing 1-2m from my WiFi router. Now that I am using ant1, I have a -55dBm signal from my room.
I’ll wait to update the top post until others can confirm whether or not we are mistaken and whether or not this applies to all configurations or to certain hardware combinations.