Back on the farm, we used junk mail to start the wood stove, didn’t subscribe to a newspaper =)
Now, it gets binned - waste of resources =(
Like I was trying to point out above, it’s a trust thing. People mostly trust the USPS for getting letters delivered more or less on time, to the right address, and not tampered with. So that’s why the government and most legal type correspondence is done via the USPS, not email.
Now the COBRA people are just being assholes and introducing something to make dealing with customers more onerous, because presumably they don’t make money dealing with you or making you happy.
Do people in Denmark not use credit cards? Or any kind of small plastic/metal card? In the US, credit cards are sent in regular sized letter envelopes.