The details are unclear and Klarna reference a "lightweight" tech stack rather than a complete move away from SaaS solutions, but do people feel it is possible to move away from these enterprise solutions or is this just marketing fluff from a company to justify large scale headcount reductions without spooking the market?
This podcast interview on Sequoia Capital provides decent insight on the measure of the man
Why not? You can even replace computers with paper processes. I tend to ignore most of these stories.
The most famous 1 I remember is the Spotify blog about the Spotify model (with tribes) that many companies "copied" only later to find that Spotify barely used it if at all.