And if you build to the standards, it's possible that no actual browser implements them correctly.
And then what?
And then what?
> And then what?
Build to standards first, then accommodate quirks last.
Building to Chrome first is just building to its quirks, and totally forgetting about standards.
"Write HTML, test on Chrome" - what people do in practice - seems to fit "build to standards first, accommodate quirks last" just as well as "build to Chrome first".