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Don’t use a bunch of unnecessary tracking cookies?

Completely eliminates the need for a cookie permission bar.

The law does not say 'tracking'. It says 'strictly necessary'. If you remember the user's light/dark theme preference in a cookie, that requires notification. (Or rather, what it requires in practice is that you hire a Highly Paid Consultant.)
No, it doesn't. If it's reasonably expected as part of the service, you don't need to gather consent. It's not even personal data.
The law does not say 'reasonably expected', it says 'strictly necessary'.
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Okay, but it doesn’t require notification for every user that hits your landing page.

If you want to remember dark mode with a cookie, then you can just gate that setting behind a “allow functional cookies” toggle.

Getting consent for functional cookies doesn’t have to be done with an intrusive cookie bar on landing. You can request consent as it becomes needed. There’s other ways of complying that aren’t dark patterns.

OK, so don't do that. Web sites work fine without remembering anonymous users' preferences across sessions.
Nonsense.

You are correct that people keep stating such things. But it is incorrect.

That example would be an essential cookie, also known as a strictly necessary cookie.

A shame this FUD is still being spread.

That's not what various references (and AIs) say. Strictly necessary means strictly necessary. They didn't bother defining it in the law. However, user preferences were called out specifically in the WP29 opinion as something that wouldn't count as strictly necessary if scoped any wider than the browser session. So if the plain English meaning and the drafters' opinion contradicts your opinion, why should I risk significant fines to trust it?
I am obviously referring to a scenario where tracking cookies would be highly beneficial to expanding the business, e.g. e-commerce.
Don't set a tracking cookie, use of IP addresses is allowed for legitimate purposes (Art 6(1)(f)) as long as they're not stored.

At least for GDPR...

The only ways to actually track without a consent pop-up are:

(1) stay off the device entirely and process server-transmitted data under legitimate interests with a privacy notice, or

(2) confine any device storage to what's strictly necessary for the service the user requested

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tracking cookies are so obviously beneficial to e-commerce that they passed an entire law to disclose them because people... liked them so much?
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