It could be one of those cases where the site itself is okay, but something has been slipped in to the advertising network, so the malware might not be there anymore.
As rei says though, it’s just a warning, there’s no danger if you didn’t actually proceed on to the site. You’d probably be fine anyway as long as you’re up to date on your browser, anti-virus and Defender definitions, etc.
The Google project zero analysis of the Pegasus iOS malware is truly eye-opening. This is insanely sophisticated stuff. They actually used a PDF compression exploit to build a logical circuit, and then wrote a script interpreter to run on that circuit. This is the difference between the usual buffer overflow bullshit like log4j and a true nation-state level attack. This is why governments pay NSO tens of millions of dollars. Truly impressive, from a technical perspective, and as Google put it, pretty terrifying too.
LOL - speaking of, I remember when it was general wisdom to not have to worry about a virus unless you clicked twice (eg - once on an email and then on a link). Then it moved to once. Now? Zero. Gotta love “progress,” eh?