IBM Business Development Associate interview questions

Applied through their career portal. Got an email from a recruiter not long after to say that the hiring manager would be directly in touch. Had an hourlong conversation with her to discuss background and job requirements. Thought the conversation went fairly well, the hiring manager said she was happy with me and would be in touch to discuss next steps, but never did. Later turned out that the hiring manager had transferred to a completely new role and moved halfway across the world, not long after my interview (this was from finding her job history on Linkedin). Considering the time invested, the least they could have done was send a followup email.. she had my email too, as I sent her a thank you email for the interview. Left a bad taste in my mouth.