I know an artist that had noindex turned on by mistake in robots.txt for the last 5 years - google, kagi and duckduckgo find tons of links relevant to the artis

I know an artist that had noindex turned on by mistake in robots.txt for the last 5 years - google, kagi and duckduckgo find tons of links relevant to the artist and the artwork but not a single one from the website. so not seem to or apparently but matter of fact like. robots.txt works for the intended audience