Is the SaaSpocalypse Real? A new technical whitepaper from Buzzy tests whether AI-assisted development can handle complex enterprise software, using a sales incentive planning prototype built with Buzzy Builder MCP through Codex. The prototype required approximately 932 lines of customer-specific code for a mock data service and 2,000 lines for chart and calculation widgets, covering five role-based experiences, 29 data tables, and workflow features like approvals and reconciliation. The paper concludes that while AI accelerates prototyping of connected systems, it does not prove production-scale performance, security hardening, or lower total cost of ownership. A difficult test case Sales incentive planning combines source-system ambiguity, changing rules, sensitive compensation data, approvals, and calculations that must be reproducible. New technical whitepaper We used Buzzy Builder MCP through Codex to build a working sales incentive and planning prototype in days. The result is a practical test of what AI changes—and what it does not. Is the SaaSpocalypse Real? examines a category where effective-dated plans, commissions, approvals, reconciliation, disputes, and payroll-adjacent controls make superficial demos easy to spot. lines of customer-specific code in the working Buzzy prototype Approximately 932 lines powered the deterministic mock data service; roughly 2,000 lines covered narrow chart and calculation-waterfall widgets.Directional prototype-equivalent comparison, not a total-cost benchmark. The Buzzy figure counts the customer-specific code created for this scope, not Buzzy’s platform implementation. Real production hardening and operational costs remain. What the test showed Five role-based experiences, 29 managed and remote data tables, live charts, seller statements, approvals, exceptions, reconciliation, and calculation evidence could be reviewed as a connected system—not just admired as static screens. Most requirements, flows, data, screens, permissions, and workflow state remained visible as managed application artifacts. Custom code was concentrated in the specialised edges. Inside the paper Sales incentive planning combines source-system ambiguity, changing rules, sensitive compensation data, approvals, and calculations that must be reproducible. Seller, manager, operations, finance, and executive experiences share the same app definition while exposing the right workflow and data for each role. Code remains where it earns its keep: deterministic integrations, specialised visualisations, and calculation execution. The prototype does not prove payroll accuracy, production-scale performance, full security hardening, or lower multi-year total cost of ownership.