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WinRAR format does include RAR VM bytecode as part of the archive to achieve state of the art compression in media files. it was sandboxed and well accepted by everyone.

the same sandboxing capability exists for WASM as well.

it is actually better for long-term archival: you dont need to carry decompression program, since it will be a part of the archive file itself

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You don't want to run a custom 10-year-old data parsing function every time you read a single data record?
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