white hat seo strategy

I was wondering the link pyramid strategy with the tiers thats commonly used, is it white hat or black hat?

There are no hats. Google says don't build links, just let them come naturally.

I dont think that we should give a conclusion that link pyramid is white hat or black hat. As we know that Black hat Link Building is the practice of building links which are against search engine optimisation but White Hat SEO is about building quality websites. Pyramid is one of the best service and complex! But it doesnt mean that it is white hat. This depends on many factors such as: content ( it must be unique and readable content), natural link with diversity anchor text and images, videos...