Except it’s not permissionless. Changes to Bitcoin require permission from the developers, the miners and, ultimately, the users. Drivechains are a novel concept, however they are a solution looking for a problem where there is no demand. Coupled with the lack of trustless peg-out and opportunity for abuse, what you’re left with is a threat vector in which the risk outweighs the benefit. What is Layer 2 Labs path to profitability to provide return on the $3m to its investors? Personally, it’s a nack from me. I wouldn’t care if Satoshi himself wrote the BIP proposal.