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by 0x457 771 days ago
Specifically with truffle oil - its taste profile is so noticeable different, that unless you never had a real truffle, it would be easy to spot.

As for different things, about 7 years ago in LA there was as huge wine counterfeit operation bust. Expensive bottles were filled with cheaper wine, re-corked and sold. This is why expensive bottles now "destroyed" one way or another.

Point is - easier to sell and fewer troubles.