Wanted to thank you for number 2. It sounds silly, but my physics teacher in high school would always pull up an invention of the week. Everyone loved it.

Talking about hardware is such a nightmare on Reddit these days that I completely avoid it. There's a never ending crowd of people/astroterfers/fanbois posting confidently about shit they have no clue about and are often completely wrong. Their arguments usually boil down to their feels and not objective facts at all.

Apart from the couple of occasional subject matter experts that you see pop up occasionally the tech subs are a write-off now.