This is why we don't use diffusion style models for diagrams or anything containing detailed typography.
An LLM driving mermaid with text tokens will produce infinitely more accurate diagrams than something operating in raster space.
A lot of the hate being generated seems due to really poor application of the technology. Not evil intent or incapable technology. Bad engineering. Not understanding when to use png vs jpeg. That kind of thing.
I think the hate is more about the fact that nobody gave enough of a damn to catch the error before it went public...