Two decades. Rails was released in 2004, IIRC.

I appear to be in the minority here. Perhaps because I've been practicing TDD for decades, this reads like the blog equivalent of "water is wet."

"Welcomes" seems like a stretch.

I view it as a collection of potentially helpful tips which have worked well for the author, which is exactly how it's presented.

There's no suggestion that this is The Only Blessed Way.

If you must "choose to enable" encryption, that implies it's off by default. If so, GP's statement is accurate.