If you click on the “more” button under a comment or link there will be an activity tab. In this tab you can see everyone who has boosted, favourited or reduced the post. I’m not sure if this a
Is a good feature but it’s interesting to see when someone decides to reduce all of your content for no reason.

I understand, but it also makes it a lot more difficult to quickly make trolling and spam disappear.
I think the Lemmy instances that disable downvotes are also the instances that have more heavy-handed policies and moderation. They’re essentially centralizing moderation to the admins and mods rather than relying on community self-policing through downvotes.
That’s a very excellent point and shows the necessary trade-off to make that work.