&quot; It&#x27;s really hard to test for all that traffic in advance&quot;<p>There&#x27;s this thing, they&#x27;re called dedicated servers.  The reality is that game companies CEO&#x27;s&#x2F;execs don&#x27;t want to pay for quality when they can push it out now get the money and patch later, aka.  They put in the least effort.  The whole thing is intentional at big companies, a combination of intentionality and incompetence at small ones.