Yes, and for the exact same reason the Information Commissioner of Canada has an oversight role in protecting the individual's rights to access unpublished information the government holds in custody, there should be something equivalent for this kind of a mandatory publication of information act.
The idea is publication schemes can come in multiple flavours. One flavour is a public interest test where if a threshold is crossed, the government has a proactive responsibility to publish information in the case of where there's an environmental hazard or something.