In the first few years, people always spawned at 0 0. This was a large box, sometimes full of withers, which was difficult to escape. I believe that after some

In the first few years, people always spawned at 0 0. This was a large box, sometimes full of withers, which was difficult to escape. I believe that after some people completely covered 0 0 in cobblestone, rendering escape de facto impossible, the random spawn point system was introduced, in order to make it more difficult to cover all spawn points.