Go Launcher: 100-500mil installs
Nova Launcher: 5-10mil installs
Smart Launcher: 5-10mil installs
ADW.Launcher: 5-10mill installs
That's just the top 4 and makes it over 115 millions installs. Facebook Messenger has 100-500mil installs. So I think it's safe to say that there is plenty of people that install launchers.
But anyway, I was pointing out that you don't require to reinstall the system to customize the system. In fact, you can make an android look like any of the other ones any time and without too much tech savvy-ness
So which launcher should be used in the comparison? I just checked out Go Launcher and it doesn't look any better than Touch Wiz. Personally I prefer stock Android and got a Nexus 4 because of that. The fact is a large, maybe majority, of Android users are using TouchWiz so it seems fair to use that in the comparison. They probably should have included a few versions of Android (Sense, Stock, most popular launcher app) to improve the results.
If they where just telephones, Nokia would still be the biggest player in the mobile market. The whole point is that they are not just telephones, they're mini computers that you can occasionally use to make phone calls.
That's just the top 4 and makes it over 115 millions installs. Facebook Messenger has 100-500mil installs. So I think it's safe to say that there is plenty of people that install launchers.
But anyway, I was pointing out that you don't require to reinstall the system to customize the system. In fact, you can make an android look like any of the other ones any time and without too much tech savvy-ness