imminent collapse is a fairly common theme among anything we’ve learned to engineer fairly well… if a bridge isn’t in imminent danger of collapse under its theoretical maximum loading, it used too much material and was thus over-built which means fewer bridges for people
if an economy isn’t in imminent danger of collapse then it’s resources aren’t being used efficiently and that means fewer luxuries - and bridges - for people
cats destroy native wildlife… at least in australia, it’s a huge problem
https://invasives.org.au/our-work/feral-animals/cats-in-australia/
(whilst this article references feral cats, there’s obviously minimal difference between feral cats and roaming house cats as far as wildlife destruction goes)