If unanticipated issues are discovered, end users may not receive the updates in a timely fashion if, for example, the repo owner is the only committer and they're on vacation when the next Heartbleed 0day hits.

I am confident and trust the OpenSSL and LibreSSL projects each have multiple folks capable of merging and releasing critical updates.

Amazing as he is, Filippo is a single person who presumably has human needs. If he's a Terminator, though, swell, do let me know.