Google's John Mueller said that link spam left in the comments section have no effect on Google Search or SEO, (and maybe ...

More AI Is Coming to Google Search, Including a Chatbot-Like Interface ...

Google's John Mueller confirms that when a URL appears in an AI Overview and as a blue link on the SERP, it won't count as two impressions.

Google's John Mueller's response on phantom noindex errors in Search Console acknowledges indexing blocks visible to Google.