I'd be more than happy with an iPad Air if it had Face ID. I have so many problems with Touch ID, after this MacBook I have, I'll probably never buy another product with a fingerprint sensor. Touch ID usually works reliably for me for about a week, then it just doesn't work at all - for every Touch ID product I've used since the 5S(?). Luckily the MacBook at least falls back to authenticating with the Apple Watch.