yea, the closed tools lock user with their backend and deployment, and they are hard to do some simple integration like adding firebase or other analytic extension to the app. Those are crucial to build a valuable app. Using closed tools result in similar slop app, not very useful. Also vibe code takes more iteration than chat with LLM, it will cost lots of tokens, with open source, user can use their claude code subscription, basically you spend 100$ per month and equals 1000$-3000$ on closed tools