Given their understanding that the stuff likely wouldn't leak for a long time, they agreed to (maybe) create a huge disaster (far into the future). Yep, that sounds pretty normal to me. Especially considering this solution was probably less expensive than the alternatives.

Hell, sounds like most kick-the-can-down-the-road politicians we have today, regarding a whole slew of issues. It's nice to see how far we've come in 70 years. 8-P