Purchasing individual licenses for 20,000+ students and thousands of staff members would be financially crippling. By using a concurrent licensing model via the keyserver, the university buys a smaller number of "shared" licenses. Since not every single person uses SPSS at exactly 3:00 PM on a Tuesday, this pool of keys works efficiently for everyone.
: For a community or organization based in or around Loughborough, using a local key server can foster a sense of trust and control over their cryptographic key infrastructure. keyserver lboro