It doesn’t make up for 10 years of biased reporting, but it’s a start. Key quote:
The sprinkler was located on the club level in a skybox which had recently been renovated to host a news crew. It appears the skybox belongs to Fox.
After going off, the sprinkler released 50 to 100 gallons of water per minute and 9NEWS crews estimate it was on for around 5 minutes.