Dinnae get me started on those bastard ferries. Scandalous from head to toe.
You're absolutely right that nationalising something doesn't automatically make it function. What it does fix however, is equity and profits being siphoned off and moved out of the country to foreign stakeholders for example.
If private infrastructure fails, the public is still on the hook for it whether it's privately owned or not.
Give a knighthood to whoever blasted "things can only get better" during Rishi's announcement.