This really is one of the cruxes of decentralisation being built in at the protocol level. Even if centralised services exist, as long as one person exists who cares, the content lives on.
Without decentralisation being supported at the protocol level, as soon as the host dies, it's gone. This is particularly problematic because centralised services slowly subsume small services/sites and this either cuts off the flow to the other small sites or eventually something changes on the big centralised site and a bunch of these little sites break.
Without decentralisation being supported at the protocol level, as soon as the host dies, it's gone. This is particularly problematic because centralised services slowly subsume small services/sites and this either cuts off the flow to the other small sites or eventually something changes on the big centralised site and a bunch of these little sites break.