From my point of view, putting DRM into web browsers is actively bad for a couple of reasons beyond the usual arguments against DRM. The greatest asset the web platform has is that it's a unified, open platform that anyone can participate in; Of course, DRM harms users too, but specifically DRM harms the web as a platform. You can't simply have a "full" web browser that can browse the entirety of the web (as ordinary users understand it) without licensing Widevine. To date, only large corporate web browsers have ever gotten this privilege[1]; community web browsers are shit out of luck, almost certainly forever. Not only that, but Widevine will only officially support a small subset of the operating systems that are out there, ensuring that you can't get a "full" web browsing experience on, for example, any BSD (at least not without manual work and violating several license agreements on the way.) Even if Ladybird bucks the trend and manages to get a Widevine license somehow, it will only be possible to make this work on Windows, Linux and macOS. Yes, I understand this covers the vast majority of users, but if you can't see how this is extraordinarily antithetical to the open web I don't really know what else to say. The web didn't even begin on any of those platforms!
Of course, I seriously can't blame Ladybird if they want to go this route. After all, in the position that Ladybird is in, pragmatism is a stance that is hard to beat. Ladybird currently doesn't have the muscle to flex to try to influence the future of the web platform in such a way, especially not against the will of the mega-corp overlords that currently control the web platform.
If I had to guess, I'd guess the lack of an answer to my question is because taking the pragmatic stance on this particular issue will prove controversial, though I hope if that is the case that people continue to direct their ire towards W3C and Mozilla who pretty much immediately folded when the issue came up in the first place. In the moment when Flash and Silverlight died, there was a small sliver of hope that DRM on the web would die with it, but instead we wove DRM directly into the fabric of the web, and Mozilla, no doubt afraid to watch their marketshare dwindle even further, (which it has continued to do anyways, mind you,) played a huge part in that.
Issues like this are why there is guaranteed to be vile toxicity when something like WEI comes up. We know that there is no entity out there holding the line to protect the web platform; once one of these technologies like WEI makes it into Chrome, the era of the open web will have essentially ended. If you believe that the open web is important, then any technology that's vaguely WEI shaped is enemy #1, and when there is no other option, people will choose violence, again and again. DRM on the web isn't really quite as dire of a situation, but it isn't particularly great either.
(One might wonder what the point of keeping DRM out of the browser is, forcing users to use separate software, making their overall experience worse... but that's kind of the thing: Why in the fuck should these vendors and this DRM'd content, that is antithetical to the open web, get to benefit from the web platform built and used mostly by people who stand to gain nothing from it? If you want the benefit of the web platform and all it offers, you should be forced to lose the DRM. Otherwise, have fun deploying your own native software.)
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https://x.com/platoff/status/1737142050603086281