> I was distressed and got confused and gave the wrong PIN. Anyway there was no evidence on the phone just a few embarrassing photos.

> Also I just so happened to catch a bad case of indigestion right as the police knocked down my door. There were absolutely no drugs in the toilet when I flushed it.

To repeat, for emphasis: the law does not care about "I'm not touching you"-level rationalizations.

> The response described is what everyone ought to do without exception when asked for their PIN by law enforcement. The right not to be forced to provide access to your own devices needs to be staunchly defended.

If by "response described" you mean "remain silent," then absolutely. Not 100% clear from your last paragraph.