My stance on GMO labeling is analogous to kosher and halal foods. Consumers can and do demand arbitrarily meaningless standard such as kosher, halal, or GMO-free. I am even in favor of protecting such labels by advertising standard law: i.e. forbidding things to be labeled kosher if it actually is not kosher. But GMO labeling requirement is as ridiculous as kosher labeling requirement.
I can understand why someone would argue it's a meaningless distinction. I don't agree with the idea that a consumer has no right to be informed. Let the consumer know, make the case that your product (any product) is safe, and let the consumer decide.