Dunno. The keyboard on my T420 still works 9 years later. None of my desktop keyboards have broken in 5+ years of use, and they were incredibly cheap (10-20€).

Dunno. The keyboard on my T420 still works 9 years later. None of my desktop keyboards have broken in 5+ years of use, and they were incredibly cheap (10-20€). Keyboards are a solved problem. Apple just keeps inventing new ones.