Let's Take a Trip Inside a Power Strip
tomshardware.com
tomshardware.com
I just bought a mid-price range one that looked like it wasn't by some fly-by-night company.
It would be really cool to find somebody actually testing these things.
https://en.wikipedia.org/wiki/UL_(safety_organization)#UL_St...
Never heard of someone using solder wick in this way before. Can't decide if brilliant or insane.
These things are quite likely hand-assembled. Quality control could vary over time, depending on which shop is contracted. Maybe that particular unit was given to a n00b. Or maybe the person was exhausted near the end of a long shift.
They aren't going to open up every one of these to check; that would be expensive.