Be caution for what you ask for (hit link for my take on macOS with touch support)
A bit old but since many are still requesting it… it is much a harder to make macOS touch-friendly than making iPadOS mouse-friendly. Touch support will come to macOS via Catalyst apps and ARM-based Mac. Mark my words. That being said, from what I’m seing from people with Windows-based machines with touch support, very people actually use it on a regular basis if at all. It’s about time for a Mac with a touch interface - Macworld