The arrow keys are tiny. Half-height makes the rest of the keyboard look nicely symmetrical but it makes people suspicious. FWIW, I use Thinkpads as my persona

The arrow keys are tiny. Half-height makes the rest of the keyboard look nicely symmetrical but it makes people suspicious. FWIW, I use Thinkpads as my personal laptops and I find the half-height arrow keys on my Apple wireless keyboard fine, but mileage may vary.