Yes, you could certainly view it that way. I think it simplifies the problem like in a case where there is list numbering. It's probably a bit more expensive with a tradeoff of implementation simplicity, IMO.
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Is retrieving all the tasks after user deletes one task not redundant?
Yes, you could certainly view it that way. I think it simplifies the problem like in a case where there is list numbering. It's probably a bit more expensive with a tradeoff of implementation simplicity, IMO.