When a game’s “code is lost” what stops a company from dumping/decompiling code from a disk or cartridge copy of the game for things like remakes and remasters?

Question

When a game’s “code is lost” what stops a company from dumping/decompiling code from a disk or cartridge copy of the game for things like remakes and remasters?

In: Technology

Answer 1

The code may have been originally obfuscated via one of the available tools for that language. It wouldn’t prevent decompilation, but the result might not be very useful in human terms.