>>> They forgot to mention that it's technically possible to filter
>>> advertisements from their customer. Which apparently they were/are
>>> not really doing.
>>
>> luckily, CT is the only isp not doing good filtering, or we would be
>> having mis-originations and route leaks every day.  oh, wait.
>
> Perhaps what you meant to say here was:

    “Then you should say what you mean,” the March Hare went on.