I don't deny the trade-off between variable name length and other factors. But, between 1 and 38, I doubt that the optimal length is at 1. Adding 5 more letters

I don't deny the trade-off between variable name length and other factors. But, between 1 and 38, I doubt that the optimal length is at 1. Adding 5 more letters doesn't take anything away, IMHO, while increasing comprehensibility significantly.