[chollida1]

Because the government already has a warrant to obtain this evidence(they can't raid the office otherwise) and you as the company pushing this button are failing to turn over that evidence.

[charlieyu1]

I guess locally encrypted files in my computer is a problem as well then

[alexey-salmin]

In many jurisdictions it actually is a problem

https://en.m.wikipedia.org/wiki/Key_disclosure_law