The EU definitely helped. I'll add that this was actually kicked off by the Australian Competition and Consumer Commission (ACCC) in 2014. They took Valve to court over their insistence that they can ignore Australian Consumer Law rights - in particular that if a product is 'not fit for purpose' then the buyer is entitled to a full refund, with respect to games. Valve offered no possibility of refund at the time. The case dragged on, but Valve eventually lost and was told to pay several million in fines, they appealed it to the High Court of Australia in 2016 - and lost also on appeal.

The judge was pissed at Valve, and wrote in their ruling:

“Valve’s culture of compliance was, and is, very poor”. Valve’s evidence was ‘disturbing’ to the Court because Valve ‘formed a view …that it was not subject to Australian law…and with the view that even if [legal] advice had been obtained that Valve was required to comply with the Australian law the advice might have been ignored”. He also noted that Valve had ‘contested liability on almost every imaginable point’.

Valve are generally a very positive force in gaming, but they're definitely not the saints that OP image text implies.

https://www.rockpapershotgun.com/australia-fines-valve-over-steam-refunds

https://www.accc.gov.au/media-release/valve-to-pay-3-million-in-penalties-for-misrepresenting-gamers-consumer-guarantee-rights