Author's github history looks like an absolute coding machine
These charts are less useful than they have ever been for determining how much code a person writes, but they are probably a good metric overall to measure the productivity gains going on in the industry overall.
I've seen people pushing e.g. weather data to GitHub in regular intervals blowing up their commit numbers.
Just check this to find crazy numbers: https://committers.top/
A lone developer can get away with infrequent commits at no practical cost. Maybe something happened in 2023 that made them a more prolific committer.
I burn out if I don't take weekends off, its nasty.