Ok, let's look at this differently, ignoring the small throwaway caps.
1) How many pieces of vintage audio gear do YOU have with original power supply filter caps that you use all the time, and that work just fine?
2) Would you rather see these installed in someone's receiver, or thrown in a landfill?
3) Have you, or have you not seen the expert restorers on this forum retain the large power supply filter caps on numerous occasions when they posted about restorations?
4) Is there a gun pointed at your heads forcing you to buy these (likely perfectly good) original caps?
Then what's the problem? Don't like, don't bid... and no, they're not mine.
Sheesh... so much commotion over a little bit of perfectly sane recycling!
John