He made as much as other top 19 witnesses for 5 or 6 days. The network was never at risk, he just outcompeted the other miners. He still had to produce blocks that followed all of the rules and have good uptime.
Some people attempted to shut him down for a while by using the missing active authority on his accounts to change his block signing key. It was white hat vs white hat ;)
RE: How @supercomputing was able to dominate the mining queue and how the bug was fixed.