Trimble interview questions

Trimble got my CV from job portal and hence they called me to schedule appointment for initial telephonic interview. Interviewers were very clear on they what they want from me, and I also told my expectations without hiding anything as I dont want to face any problem after joining. After clearing that round, I was invited to their location for face to face interview. After reaching the venue, there were two technical rounds, each round has 2 different sets of interviewers. Interview was cool with lot of technical questions but HR round was pathetic, asked me all irrelevant questions and awkward body language.

Sign in at an empty lobby and call the hiring manager from a phone. Sit for 20 minutes and then stay for 2 hour interview including technical quiz. and interview it seemed they had forgotten about and person who interviews was not available. Sat in lobby 30 mins and a regular employee tried to conduct interview. Was very disorganized and unprofessional