How to set all surveys to be anonymous?

[urivil]

Hello,
I want when users post polls, the other users' votes are displayed anonymously, without being able to see what everyone voted for.
At the moment, whoever opened the survey can decide whether the survey will be anonymous or not. I would like him not to have such a choice, and the surveys will always be anonymous.
How can I do this?
How to set all surveys to be anonymous?

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