You are right... it would be weaker... They are separating the Work Permit into it's own thing so that it can be easily revoked in the future....

According this Tweet:

"Translating the previous tweet into non-legal terms, DHS is basically recognizing that the work permit portion of DACA could potentially be struck down, and saying that they think if that happens they may still be able to protect people with DACA from being arrested and deported."

Source: https://twitter.com/ReichlinMelnick/...83255920451585