Who decides how and which issues are organized and presented to the voters; and is that influence effectively centralized control?
The algorithm does. Any token holder can submit a proposal and open proposals are displayed in descending order by the amount of deposit paid.
To release the agreed bounty, a quorum of neophyte investors will vote to on whether the pull request submitted by the contracted programmer meets the requirements of the specification we originally approved by a prior vote? We will not depend on any experts to advise us? This will magically all coordinate itself in a decentralized manner without any de facto leaders emerging?
Whomever designed the DAO doesn't comprehend the how and why politics doesn't work.
An elephant: A mouse built to government specifications. Lazarus Long
A Snail: Monero built with decentralized donations. SOMAcoin