I think what Cedric meant is that there are some very well-known companies that successfully use Gradle. It doesn’t mean that large organizations is the sole focus of Gradle or that we don’t do any research with “normal” users.
We have worked with countless users directly to improve their build automation and shorten feedback times. These include projects of different sizes and engineers with different experience levels. There a number of ways to gather feedback from the broader community including GitHub issues, forums, feedback form on our website, etc. We also present at many conferences, although obviously not in the last few months.