"Surely" is doing a lot of work here.

If they are in manufacturer databases or government bodies registration information - often behind different SKUs and product code name changes, it doesn't mean they're not effectively lost, without a known and easy way for the public to check and compare.

>As for the candy bar market: the ideal outcome for the consumer would be if a single candy bar ended up being a reasonable portion size, priced proportionately to cost to produce.

The "ideal outcome for the consumer" would be the candy bar not to reduce in size and increase in price, which is what we're seeing.