Sony sells Tomb Raider Legend on the PS5 for $30. It's a PS2 game from 2006. Millions of people still own the disc, which goes for about five bucks used, and until modders stepped in this week, the PS5 flat out refused to read it. Nothing technical was ever stopping this. The PS5's disc drive has always been physically capable of reading a PS2 DVD, and Sony already ships its own PS2 emulator on the console, the same one running that $30 Tomb Raider. Hobbyists got PS2 games running on regular…