/kick doesn't allow target selectors even though the command autocomplete says it's available

Summary:
The /kick says it allows target selectors in the autocomplete, but the command refuses to use them for unknown reasons.

Steps to Reproduce:

1. Have someone join your world
2. Run /tag <player> add example to tag the player as "example"
3. Run the command: /kick @a[tag=example]

Expected Results:
The player is kicked out of your world

Observed Results:
The command execution fails

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Original Title: /kick command does not work with target selectors

Original Description:
The ban system no longer works Inden man /kick @a[tag=ban]
How should a city build run if you can't build an antihacking system because it can't kick anymore when the system detects that it is flying or that an item is hacked