I attribute this low commission to two things. First, I think Btc did a serious interim correction over a two-week period prior to this. While this was the case, many investors did not transfer crypto money from the wallet to the exchanges. When the network relaxed, high commissions disappeared. Second, Ethereum has made the Berlin Update in recent weeks. This has been positive for the network. If the market continues to be good in the near future, we may encounter the same high commissions.