Logic Behind Launchers

[Bourne_Advocate]

I'm sorry if this has been discussed but I can't find it anywhere. If a phone, besides a Nexus or a Moto with Google experiences, has a 3rd party launcher installed; then why buy a phone with a skin already installed? If a TouchWiz device has Nova Launcher installed, isn't the phone going to work harder? The way I see it, first Android is the OS, then TouchWiz, then Google Launcher are all running on the phone. It don't sound good for the phone. Kills the battery faster, both long-term and short-term, more lag, and might bring trouble to apps. I don't understand. Someone please help. Lol. P.s. I'm not trying to be funny, just trying to understand why install a launcher if not a "Pure Google" device. Thank you.

 

[Bourne_Advocate]

****, I'm in the wrong forum. Sorry.