Yes,
Chinese infrastructure projects seems always design badly.
See the disasters of the Belts and Roads initiative.
There is only a limited amount of water in Chagres River to feed the canal needs. They highly increased the need for this water, but did not increased supply a zilch.
For some??? reason, they do not have enough water since they made the enlargements?!
Guess what? They blame global warming! What an easy target to blame!
Every problem on the Earth is blamed on global warming!
I am sure, my digestive problems must be caused by it too!
They are designed from the top down, without constraints of cost to benefits.
It is the old college dorm discussion problem. A project can look good with a simple map or back of the napkin calculation. Lots of assumptions without real measurement or analysis.
Once the project starts, it always has a life of its own, with multiple, concentrated, vested interests, and many, but diffuse detractors, who do not have the resources to influence the decisions (but they pay for them!).
To get good public policy, you need considerable expertise with the public good in mind and a strong dose of capitalist realism and cost control.