How to block like-/emoji-reactions?

[JC_Arnou]

How can I prevent members from commenting with a thumbs up or emoticon in a private or non-private channel? I already managed to set a private channel not to be able to reply to owner/moderator messages (via the channel supervision settings). I have also been able to disable the options regarding Nice Things (under Manage Channel > Settings tab), but then it turns out that the channel-members can still can react via like/emoji.

[#2]

@JC_Arnou - 

We are mainly responsible for Microsoft Teams app development related issues. 

For Microsoft Teams product issues/failures your tenant Admin can reach out to Microsoft 365 Product Support. 

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[#3]

@JC_Arnou 

I unsubscribed from the reactions notifications and then created a rule so that any message from Reactions sent only to me would go to a special "Bad Idea BS" folder.