VESA makes you pay $5000 to get legal access to the DisplayPort standard. That is not the issue here.
But this is basically asking for the USA to give up on their soft power (Hollywood, and over the Internet). It's something to aim for, but is still going to take decades.
And you have to be careful about what might fill the power void (China, Russia...)
Oh yeah, and the burdensome NDA that the HDMI Consortium requires its partners to agree to is another serious problem for the Linux driver.
It's sad what people put up with now.