To some extent it is accurate. Only a finite amount of knowledge can be applied to a task and excess experience doesn’t bring any additional benefit on its own.

The coating on the inside of the tube can behave like a Leyden jar caps can accumulate charge over time even without an obvious power source.

For Firefox: uBlock origin (of course)

Privacy Badger - controls which sites are allowed to use cookies

Mind the time - tracks time spent on various Web sites

Video DownloadHelper - detects media and allows you to download and transcode it.

Bitwarden - password manager

Car engine injector cleaner and almost any add-it-yourself fuel additive.

Browsers made the Internet usable for the general population. The Internet as we know it would have remained a network for academia, governments and large corporations. Smartphones would not have been developed. Without a reason for everyone’s homes to be connected to a high speed network, TV would remain the remit of cable and satellite broadcasting - no streaming services.