[abhayhegde]

But not written with an intention to market themselves I guess. If merely expressing their true intents works in their favor while not boasting about it, I would not call it marketing.

Nevertheless, it nearly costs $0 to host the site, so even if this is marketing, no spending on it.

[marc_io]

They are spending time to host the site, to maintain the domain and to write and review blog posts. This cleary has a cost.