Johnson Controls Buyer interview questions

Informal with potential coworkers and two supervisors. Went on a plant tour and was not impressed with the way that the supervisor interacted and spoke of the employees on the plant floor.

Initial call from internal recruitment followed by a two stage interview. I was unsuccessful with the original role I applied for however the interviewer wanted me to interview for another position in the same team. I agreed and took the time to attend a third interview but have not heard back since despite attempting to contact recruitment 3 times. It’s very unprofessional to not receive any contact from recruitment in over a month after being interviewed. Even a simple “sorry, you have been unsuccessful” would be appreciated. I am very disappointed with Johnson Controls.