They're absolute masters of market research, delivery and execution. They don't rip off sites (i.e downloading the HTML and changing the logo) or anything unethical like that, they create real competitive businesses from scratch extremely fast without compromising the quality.

Ideas aren't worth that much (the majority of their businesses are actually "old" ideas like ecommerce), execution and speed is what matters. They're brilliant at it and deserve a ton of respect for it.

http://posts.richoakley.com/post/rocket-internet-respect

When I started in September it was paypal or paymill for me. No other options. Paymill may be a clone but it's brought value to a neglected market. In that sense it's much more than a regional copycat. I cannot trust paypal in any situation, so someone with zero reputation is automatically ahead of them.