Earlier quoted context omitted.
Now think about being the people doing the recruiting, offering to 1% of the candidates they interview and still failing 30% of them during their trial period. Hiring is a huge time sink for all people involved. The best people are hard to find and the best jobs are hard to get.
All I can think of is the recruiters who cannot have the courtesy to tell the other 99% they are no longer under consideration.
They act according to whatever they think befits their interests.