First of all, not true, there was a buffer overflow and a DB migration that caused a hard fork.

Second of all, this is THE thing that proves Bitcoin is not controlled by miners or developers, but the users, the people behind the Bitcoin economy. This is THE evidence one can point to in order to prove to someone that Bitcoin is a social construct.

So it wasn't compromised, it rather proved itself in the face of adversity from people trying to compromise it.