Sounds similar in principle to the consequences of failing to complete a course of antibiotics.
Many doctors are now advising patients to stop taking antibiotics when they feel better.
https://insightplus.mja.com.au/2015/5/stop-antibiotics-exper...
An alternative assumption is that there are strict quality guidelines that are well-enforced by good moderators.
In any case, we aren’t done yet when it comes down to it, if the numbers are correct.