I made a quick tour of his videos.
It is amusing the first few minutes, but it quickly gets painful and repetitive.
His fixation with Teflon tape, silver clad wire and unshielded interconnects is saddening.
If that is a problem, I am a walking lead soldier...
Great! Maybe, being more conductive, you can now directly receive Radio Frequency Information!
And, no: it's not a slip of the tongue, as it's repeated in other videos.
As is the interesting explanation about relative permittivity*:
https://youtu.be/vLTpJL2_qPM?t=88https://youtu.be/9cliT6P-xUc?t=40Having no EE or even high school physics knowledge is of course not a fault.
Spouting this kind of nonsense is, when Wikipedia and many online course are one click away.
*As a silver lining (10%), I did learn one thing: "dielectric constant" is now deprecated by the IEEE, at least according to WP.