With a well equipped (home) studio, a bucket full of creativity and either 24/7 access to talented musicians or ability to play multiple instruments well, you can absolutely do 100+ albums in a year.
If you do three albums per week, you get to go on holidays twice, have the weekends off and have five weeks as a buffer for the time when your creativity runs thin.
I randomly clicked a few of his albums and they seem legit. Multiple tracks (more than an EP), name, cover artwork, it's all there.
I think this is more of an art project than actual musical output in the common way. I mean, you obviously can't write material, arrange it, select ten songs, record them, master them, produce them, have marketing going and go on a tour 118 times in one year.
But you absolutely can record stuff, master it and put it on an album three times a week. It'll be more of a jam session nature. Having an idea, maybe one that spans several albums, and improvise along certain lines - when you're quite good you can get all that down fast.
It kind of blurs the line on what an album is and what is not, and it asks the question what an album has become in the age of the internet and music streaming. In the old days where you had to release stuff on a physical medium all this would be close to impossible - and it would be a huge waste of money and resources because the cost involved would be massive - you'd need a religious following for people to run into the record store, spending 15 bucks on your new CD more than 2 times a week every week for a year and still burn money.
Today, you can release an album on the internet through multiple channels with basically no cost involved and the logistics are lightning fast and simple. You hit the upload button, those people interested hit the download button. Done. From your studio to your fans in a matter of minutes.
