Or their AI chatbot decides you smell funny and bans you forever with 0 chance of appealing to a human
You should locally encrypt 100% of the information you store on someone else's system with strong symmetric encryption. In fact, I think Amazon's legal team would quietly prefer that you do this.
Dumping a bunch of bare files named things like:
THE.ODYSSEY.2026.2160p.WEB-DL.DDP5.1.DV.HDR.H.265-GROUP.mkv
into S3 buckets is probably a bad idea.(But yes - regardless of what it is, encrypt it)