RS358: Your Design Sucks

RS358: Your Design Sucks

From Rogue Startups by RogueStartups

March 18, 2026 · 54 min

About this episode

Craig and Francois Brill discuss the importance of design in product development, especially in the context of AI-generated tools.

In this episode, Craig sits down with Francois Brill, Head of Product at Castos and longtime design collaborator, for an honest and entertaining conversation about what it really takes to build great-looking products in the age of AI. Using Outlier as a live case study, Francois walks through the marketing site and product UX in real time, calling out the small but costly design mistakes that make AI-built tools look generic. From embarrassing mismatched button styles to cognitive overload on ideation pages, this episode is a must-listen for anyone vibe-coding their next SaaS app and wondering why it just does not feel polished. Highlights from Craig and Francois’ conversation: AI-generated design is the new "tell" that your product was built without a designer Picking one mode, light or dark, is almost always better than trying to do both Rounded inputs paired with square buttons is one of the most common and fixable design mistakes Color should guide user action, not decorate the interface UX is how something works; UI is what it looks like, and they require different thinking Cognitive overload kills conversion, especially on feature-rich pages like ideation tools A Design MD…

People in this episode

Host: Craig

Guest: Francois Brill

Topics covered

  • design
  • AI
  • SaaS
  • user experience
  • product development

Keywords

  • design mistakes
  • AI design
  • user interface
  • user experience
  • SaaS app

Mentioned in this episode

Organizations: Castos

More episodes of Rogue Startups

Explore listener stats, chart rankings, contacts and more on the Rogue Startups podcast page.