Engineers aren't the target audience for Lovable. I see it being used by designers and product managers, and also solopreneur type people, or non-technical folks wanting to build websites or start companies.
One PM I know uses it for designing prototypes then handing them off to the engineering team who then continue them in Claude Code etc.
So it's sorta of competing with Wix, Squarespace, Wordpress, and also prototyping tools like Figma.
I just couldn't love it, and frankly I don't get the hype around it. I recently found that all my use cases can be served by either:
1. A general purpose LLM chat interface with high reasoning capacity (GPT-5 thinking on web is my go to for now)
2. An agent that has unrestricted token consumption running on my machine (Claude Code with Opus and Amp are my go to for now).
3. A fine-tuned, single purpose LLM like v0 that is really good at one thing, in this case at generating a specific UI component with good design aesthetics from a wireframe in a sandbox.
Everything else seems like getting the worst of all worlds.