That's taken right from the FAQ of the project itself. This is just 1 example of potential services that won't be able to get developed completely (if at all).
They just haven't designed it right (so the Bitcoin limits are not really an issue).
Although let's not go off-topic my AT project will be launching "crowdfund" very soon and that could actually work on Bitcoin if Bitcoin were to adopt AT (with no limits for the number of pledges).