It is an intentional homage, a design decision we consciously made to honor the memory of Megaupload (which, quite definitely, is not coming back in its original form).

Also, as to features, if you mean megaupload's features, then your statement is demonstrably inaccurate since the difference is quite immediately  apparent.

However, if you mean Mega (questions regarding similarities between Megareload and Mega are something we get a lot), I implore you to  kindly investigate Mr. Dotcom's currently published Mega screenshots, you will definitely notice a certain fundamental difference in operational philosophies (Mega uses keypair, while we have user-supplied pass-phrases). We believe that this difference is substantial and changes the way users interact with the service (consider telling someone an RSA key over phone, verbally).

Time will tell which philosophy is better (or perhaps, both have drawbacks and benefits in equal measures, who knows).

P.S.:
Given that the site currently operates free of charge and does not gather sensitive information, the accusation of scam is, I must say, demonstrably counter-factual.