Wearable > implantation

Just a security concern. Augmenting is great but we don't want the augmentations to become a liability. Obviously there are exceptions to every rule, if we invent a robotic arm replacement for someone who's lost one, the security concerns are generally lower than the quality of life improvement of having a functioning arm 99% of the time, and there's an argument for the potential ability for rapid detachment in case of emergency, but once we get into subdermal and brain implants, we're in a territory where these things can't be easily removed in case of emergency, and the risks get immense.