...which requires you to sign in. That nice little text box invites you until you actually click to enter some text and get a registration box thrust at you
People that design a UX where the user tricked into a registration 'ambush' need to be punched in the face.
I mean, you should have an adblocker on every device anyway. On my phone I use https://adguard-dns.io/en/public-dns.html (No need to download the app, just select "Configure AdGuard DNS manually"). As a bonus, on android, it blocks ads in shitty mobile games too.
The level of entitlement HN posters have these days is insane. They're giving you free compute resources on the order of an entire $800 GPU. If you don't like it, run the damn thing yourself!
UX designers doing their job and programmers protecting their free product from being abused are not the people deserving abuse here.