AI's most successful enterprise use cases, customer service and coding, target opposite ends of the labor cost spectrum. It either replaces easily quantifiable, lower-cost roles or provides significant leverage to the most expensive employees like software engineers.

The most immediate ROI for AI sales agents is not replacing existing salespeople, but engaging the long tail of low-value leads or free trial users in a PLG motion. This "AI-Led Growth" creates a business model where none existed before.

The forward-deployed engineer (FDE) model, using engineers in a sales role, is now a standard enterprise playbook. Its prevalence creates a contrarian opportunity: build AI that automates the FDE's integration work, cutting a weeks-long process to minutes and creating a massive sales advantage.

The primary economic incentive driving AI development is not replacing software, but automating the vastly larger human labor market. This includes high-skill jobs like accountants, lawyers, and auditors, representing a multi-trillion dollar opportunity that dwarfs the SaaS industry and dictates where investment will flow.

The biggest productivity unlock isn't just making customer support cheaper. It's using AI models to eliminate the need for separate human archetypes for sales (yapper) and support (listener). Companies will bundle these functions into one unified team aimed at a higher-level business goal, like improving CAC.

The economic incentive for VCs funding AI is replacing human labor, a $13 trillion market in the US alone. This dwarfs the $300 billion SaaS market, revealing the ultimate goal is automating knowledge work, not just building software.

Companies are replacing traditional, siloed sales assembly lines with a centralized "GTM Engineer." This technical role uses AI and automation tools to build revenue systems, absorbing the manual research and prospecting work previously done by individual reps. This allows for rapid learning and scaling of creative ideas across the entire team.

The true market opportunity for AI is not merely replacing existing software but automating human labor. This reframes the total addressable market (TAM) from the ~$400 billion global software industry to the $13 trillion US-only labor market, representing a thirty-fold increase in potential value.

Previously, building 'just a feature' was a flawed strategy. Now, an AI feature that replaces a human role (e.g., a receptionist) can command a high enough price to be a viable company wedge, even before it becomes a full product.