Too late to edit but just to expand on that - I think there's a tendency (see TFA, comments here) to jump to meat as soon as anyone says 'marination', but the a

Too late to edit but just to expand on that - I think there's a tendency (see TFA, comments here) to jump to meat as soon as anyone says 'marination', but the article doesn't actually say it doesn't work full stop. If anything the marshmallow experiment kind of implies marinating marshmallows (for example) would work well. People use the same method (bowl in a vacuum chamber repeatedly negatively pressurised and released, not a sealed bag) to (supposedly) speed up (immersion, not fermentation) pickling.