Should I seek psychiatric help or are these devices truly creepy?
In particular: have you caught yourself watching what you say around always-listening devices.
As for the fear of your fellow man, I think the total amount of danger you are exposed to through microphones through
* high-school hackers
* intelligence services of countries other than your own
* identity thieves, bank robbers, etc.
* disgruntled contractors of Amazon.com, National Security Agency, etc.
* people who want to make a sex tape of you, or frame you for some crime, etc.
* your spouse, parents, children, etc.
is vastly greater than the treat of the intelligence agencies of your own country poses to you in most places.
Echo normalizes "always on" behavior; something that looks a bit like a hockey puck can be stuffed under the bed, in either a tidy or messy A/V center and be ignored. For that matter, people are used to seeing strange phones, laptops and other things plugged in around the home and office.
The threat you are up against looks like:
Now they're buying them for being too lazy.
No, you should write your representative(s), support privacy groups (such as EFF), and in general lend a hand to establish the legal limits to surveillance and ownership of meta/data produced in course of using a commerical product.