1. Vibe‑coding is fast for demos but slow for production
“people who say they ‘vibecoded an app in 30 minutes’ are either building simple copies of existing projects… If we are talking something more difficult – it will be years – or you will need a team and it will still take a long time.” – risyachka
“The 80/20 rule doesn’t go away… the last ‘20%’ still takes 80%+ of the time.” – nemo44x
2. AI can accelerate the first 90 % but the final 10 % is still hard
“AI is good at the things it has many examples for… the part that’s hard is the last 20 % that is unique to your scenario.” – tossandthrow
“The hours of design thinking with Claude is exactly it. That’s the part nobody talks about because it isn’t ‘sexy’ and doesn’t make for a good demo.” – phillipclapham
3. Human oversight, architecture and testing are the real bottlenecks
“You need to do a lot of back‑and‑forth, run tests, and fix the code. The LLM can’t solve the design and infra problems on its own.” – tqwhite
“The last 20 % is the boring defensive stuff that makes an app not crash on someone else’s phone.” – redgridtactical
4. Market dynamics and business reality differ from the hype
“If you can vibe‑code a product for yourself, the market still has 99 % of users who need a polished, scalable solution.” – margalabargala
“SaaS are not going extinct… the ecosystem of APIs, integrations, and support is what keeps them alive.” – 101008
These four threads—hype vs reality, the 80/20 split, the need for human‑driven quality work, and the business context—capture the dominant opinions in the discussion.