As quoted from the linked post.
It looks like you’re part of one of our experiments. The logged-in mobile web experience is currently unavailable for a portion of users. To access the site you can log on via desktop, the mobile apps, or wait for the experiment to conclude.
This is separate from the API issue. This will actually BLOCK you from even viewing reddit on your phone without using the official app.
Archive.org link in case the post is removed.
They’re not gonna repeal anything. The only thing that will stop this is by Reddit dying and becoming a part of web history, which is hopefully on its way to happening.
And even if they do back down this time, the next lamebrain attempt at the same thing will be brewing. Let it burn.