They are almost the same all of them! So if you think worldcore report you then for sure the other companies will do so as well. What I think is the following.
a) There are people in this world (believe it or not) that can't get a bank account for one or another reason,︀ they don't even able to apply for an offshore account, for these people companies like︁ worldcore is the best and most often only solution.
b) There are no option unless︂ you are going through a brocker to exchange your bitcoins to EUR or USD, if︃ Worldcore is able to do that now, then for sure I rather go with worldcore︄ or similar services to get my money out of Bitcoins!
c) the procedure to get︅ an account with wodlcore and similar services is easy to comply to. You also get︆ a debit card that you can use online, offline and in ATM's that may already︇ be a great benefit also for people that again can't get a regular bank account︈ or have to file lots of papers for each $1 they want to spent.
d) Deeb black web purpose. They are most often used for this purpose because they are︉ much easier to operate then with a regular bank.