Maybe you should take a look at the Kristov Atlas review on DRK
I have read it but thank you for the suggestion anyway!
work to 3rd parties to develop wallets (how is this secure)
Most if not all of the wallets are wrappers around the core code or recompile and link with core code. They did not reimplement the cryptography. Good question though!
that time Dark adoption will be mainstream and too late for Monero to even be noticed. Oh wait thats already starting to happen.
Dark mainstream adoption is starting to happen? That's a good one! Funny!