Side note: there’s plenty of Analytics tools that don’t require cookies. Plausible (https://plausible.io) is one of them, there are many others. Not affiliated, just a happy customer.

If you want to prevent a single user hitting F5 a million times from messing with your analytics you need to track IPs which requires the banner.

I'm not convinced this is a real concern. Bots, maybe, but then again even fancy analytics will be fucked by that because they use hundreds or thousands of high-reputation residential IPs. So, you're optimizing for the wrong thing I think.

No, you don't need consent for that. It falls under the legitimate interest exception.

You need to disclose it in your privacy policy, you need to delete it after a reasonable retention period and you can't use those logs for other purposes like ad targeting, but you don't need a consent banner to track things that you are legitimately using for security purposes.

>It falls under the legitimate interest exception.

What makes that a legitimate interest and not advertising?

Because preventing crime is drastically more important to having a functioning society than being able to target advertising slightly more accurately.

> and you can't use those logs for other purposes like ad targeting

This part I guess