Transnet could be a major disaster to the South African economy if everybody does not get involved, commentator Michael Avery warned in his column in Business Day on Monday on Transnet Freight Rail and South Africa’s lagging coal exports. “We must be sharply focused on Transnet and its performance – it is a serious risk to our whole economy,” Intellidex consulting house chair Stuart Theobald concurred in a separate column in the same newspaper on the same day.