If you're logged out, you can't see any Tweets unless you're directly viewing a specific Tweet, and even then you cannot see any other Tweet apart from the one you're directly viewing.

This was one thing we had tried on Twitter before Elon, and had found that it is detrimental to the platform and engagement. So, had to roll it back. But now it is a thing again. This drives down the popularity and overall usage of the platform, but some people will still claim it works the same (or even better).