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It's understandable why warnings are used instead of undos though. Warnings are dirt simple to implement - probably a single line of code in most languages. Undo is very complex by comparison. You have to flag something for deletion and put it into some sort of deletion queue that somehow gets deleted at some future date, etc.



Warnings can be done completely within the frontend, that probably makes them way more desirable for the company.


It’s definitely easier from the implementer’s point of view. That doesn’t make the UX any better, though.




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