this post was submitted on 07 Mar 2024
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Piracy: ꜱᴀɪʟ ᴛʜᴇ ʜɪɢʜ ꜱᴇᴀꜱ
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Blu-ray isn't really rewritable (at least, not in the same way as a hard drive). You can add to it incrementally and erase everything once, after which it becomes a normal disc. So ultimately, it's one-directional writing.
But my biggest problem with CDs (of which Blu-ray is a type), is that they are only as good as both the reader and the physical storage method. Want to watch a movie? Maybe the player's laser has dust on it (or worse, a scratch). Maybe the motor has a short. Maybe your disc has a scratch in just the right place to make it unreadable by the player.
There's just a lot more points of failure, even if you wanted to go that route.
You're thinking of BD-R: BD-RE can be rewritten/erased hundreds of times
https://en.m.wikipedia.org/wiki/Blu-ray_Disc_recordable
And as people are starting to find with old cheap CDs, they have a shelf life and just degrade after a certain amount of time. That time may be decades away, but depending on your use case it's worth consideration.