Comment by schoen

Further upthread, Josh (one of the other people working on the project) explained that Let's Encrypt currently only has plans to issue DV certs, not EV certs.

https://news.ycombinator.com/item?id=8624634

This is because of the automation aspect. EV cert issuance involves a human being looking at offline identity; DV issuance involves proofs of control that can be checked online by a computer, just as existing DV issuance by existing CAs is based on such checks.