Software doesn't fail so dramatically - small annoyances, for example, is easily dismissed. Even if there are many of them.
The collapse may be after some years. I can't find any evidence that the builders have even had to pay for remediation, let alone compensation.
The Grenfell fire has an even more egregious problem in that the builders are being granted immunity from prosecution before testifying.
This stuff is easy, just look over the code- I mean blueprints before commi- I mean building and you'll be fine. Everyone knows you're supposed to put the weep holes in, so make sure to do that.