Well, not really. The cosmic microwave background radiation was a tiny fraction of that noise. What everyone saw was mostly thermal noise generated by the amplifier circuit inside the TV.

And let’s see some statistics on those business owners.
Are they actually successful, or just 3x more likely to start a business on impulse and then 5x more likely to go bankrupt because of ADHD?

It’s also conveniently missing that adults affected by ADHD are up to 6x more likely to also have depression than adults without ADHD.
Kind of an important point if you want your kid to actually live to adulthood.

You’d probably have to keep tuning as the weight of the spool decreases.
Its more practical to print a spool holder with bearings for it. Thingyverse has some good ones