Bitcoin (cold address)-> person can coincidentally create an exact same account number (cold address) .
OP, please explain your process (step by step) how you are deriving collisions of public keys and obtaining a private key. Better yet, make a video because it's hard to understand what you are saying in plain English.
What you are describing is a hash collision attack on ripemd-160[sha-256(pk)], which is hard to believe. Extraordinary claims, require extraordinary proof.
Everyone else:
Why am I being led into the troll cave? 