No. This site is 100% legit and I just recently found it. Whenever you are concerned with authenticity, do your own research(like this question) first.
Hub Pages has a current rank of 295 in the world out of over 555,000,000 plus websites for starters.
Also they've work hand in hand with all the affiliates they showed you (Ebay, Amazon, Google) so if that's not enough for you. Here's more: This site was established April 22, 2001 and is worth over $5 million, plus Google has indexed close to 3 million pages from this site alone.