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.
The worst part of that is reddit is the only way to get good Google results anymore. I’m concerned about how bad google search will be.
I’ve switched to DuckDuckGo as my primary search engine. The results are akin to what Google once produced.