"Our new system will simply wrap the MT database in a cached layer and incorporate its content. Our new gallery app — currently active on the site — creates slideshows, writing its changes to central datastore as well."

Also known as "now they've got two problems", or in this case, four. Or I don't understand it - it sounds as if they have introduced another layer between frontend and backend, which probably increases complexity.

The road to hell is plastered with abstractions...