if you are paying a monthly fee, a slow down is the same as a limit, because they artificially limit how many movies you can get in a month to boost their profits.
none of this was disclosed.
No it's not, a limit is a cutoff of service, a slow down is continuing service but not as quick. Since they don't make any promises of turn around time after your first group then a slow down isn't breaking any promises.
None of it WAS disclosed, now it all is.