> In almost every case, the feared "bottom" of the slope was never reached because humans constantly built ramps or bridges along the way.

Perhaps it happens because the slope is called out...

Plus, it is not the bottom I fear, it's the precedent from letting companies slide down the slope.

Regulation may try to stop it but history has shown some have slid to the point of no return or past a point where people can care enough to build out of.

Prevention is better than retroactively fixing stuff.

Much like the fallacy behind: "The Y2K bug was was a total hoax, you can tell because nothing much happened on 2000-01-01."