Reading every DM is worth the time even when you cannot reply to them all, because it is where you learn what to fix, whom to hire and where to invest.

Drawn from what Guillermo Rauch said

What Guillermo Rauch actually said

Do you hold this korrent?Do you also believe this?

Cannot both be true

The more connected and accessible you are, the less productive you are, and that is the conclusion of someone who founded a social network and a messaging app.

Durov says the more connected and accessible you are, the less productive you are, and offers it as the conclusion of somebody who founded a social network and a messaging app. Rauch reads every DM he gets, even the ones he cannot answer, because it is where he learns what to fix and whom to hire. Two founders, opposite policies, same inbox.
In tension with

A hard limit on how long you are online is what makes the time online focused.

Sivers keeps a hard limit on how long he is online, and says the limit is what makes the time focused. Rauch treats an unbounded inbox as a source of information worth the hours. Both are describing what they do rather than what anyone should do, and the two practices do not fit in one week.

Shared subject first, then similar wording. They may agree or disagree.