That's just another type of randomness (who was online during the short time the posting was opened).
right. But if you go online and look for a job, then the ones you are available at that moment will actually read your application
At least this would not force applicants to fine tune their applications to the latest LLM bullshit bingo.
"Being online during the short time" heavily favors bots. In a way, AI screening tools saved us from the future of everybody buying resume-spamming-as-a-service because it became as important to use these as getting a college degree.