In reply to Sarah Gooding.

I really appreciated reading Matt Wiebe's post and the issues he highlighted, not because they identified fundamental problems with the Customizer but rather because they set forth key areas for improvement. Some of the issues weren't even on my radar. But as I read the list, I could think of possible solutions for most of them. Many of the issues raised have already been logged in Trac with solutions to explore. Because of how well the Customizer is architected, as Nacin said, it provides an excellent foundation to iteratively build upon. Thanks, Matt, for shedding light on where the Customizer is falling short for users, so we can focus on these areas!