By doing this it trains Twitters Giant Bird Brain that you do not like adverts. Any adverts.
Once you’ve been running this for a day or two you’ll stop seeing adverts on all devices when browsing Twitter, not just the website.
Hurrah.
Code: https://github.com/Jonty/do_not_like
I may not like I ads but I definitely like this extension. 12 out of 12, would install again.