Recruiting rant

I was recently approached by a corporate recruiter for a role. I had two rounds of interview where the recruiter messed up the meeting time despite me telling her my availability.
10 days from 2nd round interview, I emailed her to follow up and met with no response. Then today(18days from interview) I followed up again and let them know that I am engaging final round interviews. And within 5 mins, I got a rejection email and she thank me for my patience....

I know that I would have a slim chance with the opportunity but her response kinda irked me.

What are your thoughts and experiences

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