Netflix employee here, there are no "mass layoffs" that I'm aware of (would also have WARN act require issue of notice >75 employees). We have involuntary attrition when people do not meet "the keepers test" in performance/impact and are exited from the company with severance. This is a regular part of the business and explicitly called out in the company's culture memo (see the top of the HN comments). Perhaps, the friend of a friend falls within this category, or just hearsay.
The WARN act requires an announcement 60 days before the workers stop being paid. Tech companies typically offer more than two months of severance, so this announcement can happen after people are notified they've been laid off.
This late into the workday, the fact that there's no news about layoffs at Netflix makes me suspect there isn't a large layoff.