Credit Karma Engineering Manager interview questions

Three interview sessions, one with a recruiter, one with direct line manager, and one 4 hour session with 4 stakeholders (peers, technical, HR). All went well, communication was good, people were nice although a number of interviewers mentioned that they were stressed a lot of the time. After the final session, communication with Credit Karma went dead. No feedback, no updates, etc. Chased them up for feedback after a month but again no contact or even an acknowledgment of my email. I'm assuming at this point a number of months later after numerous attempts at a follow up I will not be receiving a job offer! However, feedback would have been appreciated from a company that seems to push the "culture" of openness they have internally.

I had originally connected with Credit Karma via an employee referral and met up with a couple of people in their engineering organization. Those meetings went well so several months later I decided to apply for a position there and was invited for an onsite interview. Unfortunately the process for the onsite was pretty disorganized. I asked for some general guidance on how to prepare for the interview and was told "we don't really know." The onsite was originally scheduled to last nearly all day, but when I arrived in the morning I was told they had cut out two sessions at the end because people like to leave early on Friday afternoons. Okay, but didn't they know the day of the week in advance? The different conversations during the onsite generally went fine, however about mid-way through the process it dawned on me that the job I was interviewing for that day might not the same as the job I had originally discussed with them. That is also understandable as needs obviously can change over several months, but why didn't they clarify that with me beforehand? At the end of the onsite I let them know that I was actively interviewing and expected to choose an offer soon. A couple of weeks later I got a message from them asking for a meeting to discuss feedback. I replied promptly but they never acknowledged my response. Several days later I let them know I had taken another offer and again received no response at all, not even a form letter rejection. I assume they didn't plan to make me an offer but I don't actually know. This is pretty bad, anyone who comes for an onsite interview should receive a clear decision. My overall impression of the organization is that for a relatively small company they are very leadership-heavy (or title-conscious) with lots of managers, sr. managers, directors, sr. directors, etc. but maybe not enough people to do the actual work.