This will very likely draw closer scrutiny of their processes and actual enforcement actions (a regulator being annoyed enough to issue a public fine in this, or really any, amount over a sloppy response to a routine sort of data gathering is quite unusual for any industry; people normally at least have the professionalism to put /some/ answers down. )
Further, I find the government's approach to managing child abuse to be poor governance and a complete mockery of internal legislation. How is a survey from twitter intended to help them honestly combat this problem and prevent children from being victimized? It really looks like a giant "CYA" exercise by the government, and I find it hard to blame X or Google for not taking it particularly seriously.
If I was an investor in X, I would be concerned. Isn't the end goal to be an "everything app", not just a "chat platform"? How is X going to become a payment processor (a key element of "everything apps" like WeChat) if even the kinds of questions a chat platform gets are beyond its capability to answer?
You can do compliance so badly as a bank that in a single day your entire business can be taken away from the owners/shareholders and given to a different bank to operate. Literally overnight.
Twitter regulators can fine Twitter for bad compliance to the tune of approximately a nickel.
https://www.theguardian.com/technology/2023/oct/16/x-fined-6...
Assuming 3bn in revenue, Australia represents 1% of Twitters users, and they have a profit margin of 5%. That means profit is maybe 1.5m. So that's fining them 25% of the year's profit for failing to fill out a form properly.