After some backlash, Sacks is considering modifying his proposal to only extend to executives and lawyers, but he still feels all employees should take some ownership.
No, no, it is. From the paragraph after the one you are quoting:
“People were telling me I need to think of the Yahoo rank and file, folks who have families, but the talent market in Silicon Valley is so hot right now, the only folks staying at Yahoo are the ones who have stopped caring,”
(Emphasis on were added. Unless janitors are in hot demand in the valley this confirms the statement as is)
In his original statement, the CEO clearly meant anyone at the company (we can assume he didn't mean janitors and such, but he certainly meant engineers.)
Later on, he decided to clarify it only to people with control: executives and lawyers. This would not seem to include engineers.
You're making the statement that you think this should include engineers.
After some backlash, Sacks is considering modifying his proposal to only extend to executives and lawyers, but he still feels all employees should take some ownership.