I don’t get it. The iPad Pro is a touch device. I use an old Magic Keyboard with an iPad Pro 10.5 (2017) because the “smart” cover keyboard I got from Logitech with that “magic” connector is flimsy and doesn’t always work right (fails to power-on frequently). For touch interaction, the iPad screen is close enough that a touchpad seems both redundant and only marginally faster than just touching the screen. I use the protection case and stand from the Logitech keyboard case, but it’s much nicer to have the keyboard and display separate so that they can be adjusted and setup individually depending on position: sitting, lying, standing, etc.