I do agree. ACF is indicative of site owner hiring someone else to do the design / build. The rest, I see it different. Most WP sites are self-setup (read: for

I do agree. ACF is indicative of site owner hiring someone else to do the design / build. The rest, I see it different. Most WP sites are self-setup (read: for "free") by the site owner. ACF has 2M installs. That's a fraction of total WP sites. Therefore, I conclude most WP site aren't setup by "designers".