[fdfaz]

I think the free plan allows this. Seems an easy solution.

[bluehatbrit]

I'll have a huge impact on anything making legitimate use of the list. Adblockers on sensible browsers will stop working etc.

It may be easy, and it may even be the only option, but it's a bad one that will need some thought from the maintainers I expect.

[zedadex]

The only thought it would require would be thought they should have been putting into their fetching strategy in the first place.