Unless you are batching them up and hiding them in the upteen bazillion posthog POST requests, no, they do not

I shudder to think how much you must be spending on compute asking for that /api/poll/batch once a second, each one saying it is a Miss from cloudfront. It's especially mysterious since there's nothing on the UI that the user would see about the .filesProcessed increasing that justifies DDoSing yourself like that, IMHO