No. As you can see at the same link, 466705 by Kano pool on 2017‑05‑16 is a full 40 seconds later than Bixin propagated to blockchain.info but we won the orphan race regardless. This can be possible due to an unfavorable circumstance within a single BGP ASN area. Imagine a broken sea cable, and a small backup line which gets fully congested and lacks throughput during peak hours. Furthermore, complete outages of 15-30 seconds between two big ASNs always occur, a simple BGP routing issue somewhere in the Internet does suffice. No broken cables or devices required.