So, here's I am on page 5 of classics (I'm on the desktop site)
https://www.mumsnet.com/talk/mumsnet_classics?page=5
I want to go to page 6. Nope, can't do it. 1, 2, 12, 13? Yep, go ahead, fill your boots! But the mysteries of page 6 will be hidden forever. (Unless you're clever enough to change the page URL.
Bit daft innit!