Framing this as needing "consent" is deeply misguided. It's as silly as claiming that Microsoft Word installed an English language spellcheck dictionary without your consent. It's just part of the software. You consented to installing the software and having it autoupdate. That covers it. Now we can argue whether or not it's an appropriate amount of disk space or bandwidth to use, but that's just a reasonable practic…
In principle I agree, but chrome has an auto-update setup and using that mechanism to download several GBs of data that is not critical to the app itself is cause for question. Chrome is not entitled to my disk space just because I installed it and Microsoft has been excoriated for the exact same behaviour with AI.
When you install any program it becomes entitled to your disk space, by the definition of installation. If you don’t like the program, you can just uninstall it and it’ll no longer take up your disk space.