I guess negative labels are handled as zero weights against the 50% available as nostr:nprofile1qyt8wumn8ghj76rpwejkutnrv9k8vcfwv3jhvtcprdmhxue69uhksctkv4hzucmpd3mxztnyv4mz76twvfhhsqgwwaehxw309ahx7uewd3hkctcpz9mhxue69uhkummnw3ezuamfdejj7qg4waehxw309amk7mnn9e3kzmrkvyhxgetk9uqzp5mwszpl57ekmthxgm9ck0uel64rmz095wt9pp6p7qp7yxkqk6lvctjurf comments here:

https://github.com/nostr-protocol/nips/pull/879#issuecomment-2502210146

If you're broadly positive (i.e. an initial thumbs-up 50%) then you don't want to be dragged below 50%. Similarly for positive labels on a general thumbs-down.

Me likey.