It's quite the opposite. Reciprocity hurts more with physical goods. In a trade war, if a country bans export X in retaliation, the citizens of the country als

It's quite the opposite. Reciprocity hurts more with physical goods. In a trade war, if a country bans export X in retaliation, the citizens of the country also hurt because they have to pay more to buy from other sources. But with a social web site, citizens lose nothing by having to switch to another data-sucking web site, especially since their contacts are now less fragmented across social media sites due to the ban.