I can, indeed, as an anon user. It looks like the routing breaks down in certain places and you get left in a weird state:
Noting that I can successfully click through to the Popular/Recent topics, but as you can see some category-related routes in the hamburger menu don’t seem to function correctly. Interestingly, I don’t see anything in the console or error logs. I was wrong, there is an initial error when clicking on the category link, but I think that’s to be expected:
