It sounds like you were logged-off, both of those sub-forums are not visible unless signed-in.Now I see it again. Weird, before during the day it was not there. Same for Off-Topic: Bare Knuckle Discussion.
Reports about bad ads should include the following:
1. Location/Country
2. Device
3. Browser
4. Company/Product of ad
5. A screenshot if possible
6. Brief description of how the ad is a problem
7. Page/Pages affected8. Date and time of occurrence
Refer to the instructions for your device on how to take screenshots