Deloitte Campus Recruiter interview questions

I was referred to this position by a company employee. I applied via website and heard back from a recruiter a week later for a phone interview. The recruiter was very polite and knowledgeable about the role. The interview was about 45 minutes. They then told me that they would be in touch within a week about next steps...2 weeks later after not hearing anything, I followed up with the recruiter that I spoke with. I never received a response. I then proceeded to follow up again after another 2 weeks passed by. Once again, heard nothing back...2 months later I received an email saying that they filled the role. Over the years, I've heard nothing but great things about Deloitte, but this process was extremely disappointing. I expected much better.