The way forward is for government research-funding bodies (ideally all of them) to insist that funded works only be published under open access. This appears to already be well underway in the UK. [0][1]
The article isn't about open access though, so this isn't strictly on topic.
[0] https://www.ukri.org/manage-your-award/publishing-your-resea...
[1] https://www.nihr.ac.uk/about-us/who-we-are/our-policies-and-...