I think they were intending to evoke the image of RAID rather than literally referring to a redundant array of inexpensive disks. You host your code on Github, Gitlab, and at home, then you survive a Github outage. It's a redundant array. Not sure it's inexpensive, though.
They... Didn't describe RAID? More 3-2-1.
The last sentence in the comment is literally "RAID is the way".
I think they were intending to evoke the image of RAID rather than literally referring to a redundant array of inexpensive disks. You host your code on Github, Gitlab, and at home, then you survive a Github outage. It's a redundant array. Not sure it's inexpensive, though.