[krisoft]

> The guys are printing physical letters and hand-inserting them in envelopes with stamps

These things can be done at massive scales cheaply.

> for free!

That increases my level of concern, not decreases.

> Yeah maybe they should have not put up the language of “we get to sell your data if somebody offers to buy our web site”.

Maybe? What the heck do they need the data for a second after they sent the envelope?

> But so what!

So they don’t get my friends addresses. So that.

> The whole thing is just a kind adventure that brought a smile to the faces of some strangers, and will never be more than that.

You say that. But that is at contention here.