I don't really understand the "walking" problem. I have spent a long time in electric wheelchairs. I can move around a room with a control pad and am comforta

I don't really understand the "walking" problem. I have spent a long time in electric wheelchairs. I can move around a room with a control pad and am comfortable without getting nausea. After a few hours won't people's brains just start to accept that walking is something we do with our thumbs now?