Can't speak for what Google plans to do in the future, but currently news results in search can either be a "top stories" block at the top of the results, or regular search results. In "top stories" you get just the headline and maybe an associated picture. In regular search results you get the headline, and a fragment of the first sentence of the article.

If seeing the headline and maybe a tiny fragment of the first words is enough to remove commercial viability, there's a lot of things that do that. Physical newspapers/magazines are generally displayed in a way that provides that information, for instance.

I'm sure there are people who search, see the headline, and don't click through. But the counterargument is that other people do click through, and without the search results then the news website wouldn't have received any of that traffic.

Perhaps-ironically, it looks like a full AI-synthesis approach would be a way to get around paying the news orgs under this law. If the Google results just give a synthesized blend of news from across the web without linking to anything in particular...