I found the video again, at 16min, he starts talking about, what he found. He's in upstate new york, so it's possible the foil came up through the bypass during a cold start especially if the guy had been using that Lucas stuff.
Sounds like he's just as curious how it got there as anyone, but the fact that it's hard to explain doesn't change the fact that it was there. What's the point microanalyzing or casting doubt on the man.. why would he lie about something like this?
Just did a change w kirkland 0w20. I take my pocket knife and make a slit from north till south, then tear each half one at a time rounding the bottle opening. It's not rocket science but it takes care. If you're that haphazard buy the valvoline jugs or the individual m1 quarts.