Bar coding is decried as the ultimate dehumanization by people who have never moved country, applied for a visa, or filled out taxes where every number isn't already zero. Filling out 5,000 forms full of information you've already given an unfeeling bureaucracy because you've got no choice is dehumanizing. Bar codes are convenient.
"Oh yeah, I feel free as diarrheic shit right now."
Transcribing numbers from one form the government gave you to another they gave you is how you subconsciously learn you're less important than a photocopier. We're already living in a matrix of inescapable numbers. If you think a lack of a bar code keeps you free, try not paying your taxes. See how long the lack of narrow lines helps you. Social security, passport, bank account ... we're not even officially born without a few alphanumeric strings, and as someone living in a world made of numerals, I can't wait for my bar code. If it means an end to the endless bullshit of application forms, I'll let them put the code on my forehead so that I can head-butt my way out of my papier mache prison.
It's also an end to the absolute bullshit of being told you can't have your own flight or vote because you didn't bring arbitrary enough pieces of paper. Can you prove you're you? YES. You are you! Especially when DNA becomes our bar code, which is absolutely happening whether you want it or not. And since big business is going to take the advantages anyway, you might as well. Which brings us to ...