The construction industry is characterised by risk, uncertainty and complexity on all levels. Brexit compounds this.
The Private Finance Initiative was meant to be the solution to 21st century public buildings. Edinburgh's school problems are far from unique, however.
The UK spent much of the late 20th century voting to sell off public services – but now support is growing for a renationalisation programme.
PFI gives short-term gain for long-term pain for governments and taxpayers.