Stop Letting AI Be Nice — LLM Sycophancy Mode Is Killing Your Engineering Thinking

AI's "Nice Mode" Is Wasting Your Time "Great question!" That's how ChatGPT starts almost every technical conversation. Then comes a safe, generic answer, wrapped up with "Hope this helps! 😊" I'll be blunt: this kind of interaction is a waste of time. Most people use AI as a fancy search engine. That only taps maybe 10% of what these models can do. The real power is getting AI to tear your ideas apart — systematically, with numbers and evidence. This article covers how to forcefully switch off AI's flattery mode, turn it into a technical sparring partner, and two real examples where this approach reshaped my thinking on Docker container design and REST API pagination. Designing the "Devil's Architect" Prompt LLMs are tuned by default to avoid making users uncomfortable. That's the RLHF tax. To override it, you need an explicit mode switch at the system prompt level. Here's the core prompt I use: You are a ruthless technical advisor. Strict rules: 1. Purge all flattery, pleasantries, an