MindLeaf Technologies interview questions

I had a phone screen with recruiting and it went very well. I had all the experience they were looking for, but it sounded like it wasn't a match with salary (but no big deal). Was told that she would be reaching out to the hiring manager to set up a phone screen the following week. A day or so later I sent the "thank you for interviewing" note. I didn't receive any communication back for 6 days until the auto-generated rejection email saying they've hired another candidate. No skin off my back, but very turned off from the lack of communication.