Don't we think we're clever. If you actually rtfm, you'd realize that the purpose of the honeypot textfields is to create them so that they look like they are

Don't we think we're clever. If you actually rtfm, you'd realize that the purpose of the honeypot textfields is to create them so that they look like they are visible, to bots, but when rendered on a page they would be invisible to a human (for example: textfield may be under another element, positioned off the viewport, or background set to match the page background). Building a bot to detect all those would be incredibly difficulty. To start, the bot itself would have to actually parse the CSS/HTML/JS and render the page, and then run heuristics to figure out which fields should be ignored.