"Section 3.4 Testing" is missing an explanation of why testing is necessary. Some startup CTOs make critical errors like un-staffing testing or migrating to Se

"Section 3.4 Testing" is missing an explanation of why testing is necessary. Some startup CTOs make critical errors like un-staffing testing or migrating to Service-Oriented Architecture without integration tests. We need the handbook to instruct such people on why testing is a necessary part of the software process.