Are you not worried about:

Are you not worried about:

- risk a successful DC blowing up and affecting L1?
- bitcoin brand dilution from weak security?

Drivechain FAQ

users counter with a UASF, and the miners don’t back down. On the day of the theft, the coin splits into two. What happens now?

Well, one coin will have a higher market price than the other.

https://drivechain.info/faq/