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As if it wasn't bad enough that they want me to use a random internet service to add a keyboard to a usb wifi receiver, they have the balls to put this for Firefox users. I clicked out of pure curiosity, as I'm not even remotely interested in involving a corporate internet service in getting my keyboard connected to my computer. This is the message you get now on Logi Options software if you have a Unifying Receiver: 
For the curious: https://logiwebconnect.com
EDIT: some people on the thread have brought up that the error message being displayed for Firefox users is due to the WebUSB API not being implemented by Firefox due to security concerns. This still does not justify having to use a web app to plug peripherals to a PC.
Now imagine having to do this under literal pressure while trying to configure the Logitech controller for your submarine.
This thread imploded way quicker than I expected
You should really sink about your moral compass
Don't tell me you didn't sea it coming
“Mayday we’re sinking!”
“What are you sinking about?”
That was a wired controller in the submersible; they wouldn't have had to do this. Everything about that submersible was ridiculous, just not in this particular way.