Why does merits source takes time to be approved?
First of all, some merit sources are there. They are just not publicly known.
I have once seen a list comprising of all the merit sources so I think merits sources are not secret unless I'm wrong.
especially that of Icopress
How do you know, if someone is selected or not? Not all merit sources are public. And also: becoming a merit source could also mean, that person would have less merits to distribute, not more (for example: if I would be selected, I would probably lose some merits, because of that).
Maybe you are referring to someone with enough smerits before being made a merit source for which the smerit allocation is lower than what he has, that should be the only way the smerits will be reduced. If that be the case, you are suggesting that merit sources cannot send more than their merit allocation per month and even if they receive merits, the smerits will not add to their total sendable for the month, this I find a little confusing and need more clarifications.