I've had direct contact with them on a few occasions and the first thing I noticed is that English is not their first language. That turns off a lot of people, but English isn't my first language so I give people the benefit of the doubt.
Second, OWC is an Israeli sub of OWCP. From what I can glean, Israel has stricter laws regarding PR than the US does. So I think that has a lot to do with their overly cautious nature.
Frankly, it's good and bad. On the plus side for new investors, I believe it makes them undervalued. On the downside for existing investors, it makes them undervalued.