HPP is employed after the meat is sliced and packaged — so there is no opportunity for harmful pathogens and food spoilage organisms to re-enter the package, and no need for taste-altering preservatives.
Sounds good, although I wonder about the potential for contamination once the package is opened.
But check out this ad which is a good example of marketers messing up science.
Expectant mothers are advised not to eat cold cuts and other refrigerated ready-to-eat foods because of the potential for Listeria contamination.
In addition to the medieval stirrups and a stereotypical representation of birth, there is no mention of why this lunchmeat may be OK other than, it has no preservatives.
Bad Hormel, bad.