Remember that hidden words are per account. If you have multiple accounts logged in, you need to add the filter for all of them.
That is, until using a Nostr Address Book becomes the norm and said app blasts that list to all of your used addresses =3
Yeah this works not the ideal but it is what it is nostr:nevent1qqsduudrtdmwa73vmwu7n809vuvhmextf8hnmgk4ehjxtr58mq272nsprpmhxue69uhkummnw3ezuendwsh8w6t69e3xj730qgsrgeg6jwfdxjle6pjw88euzzlw7a94u288zrq8xfp30d58cj4a06qrqsqqqqqpp6kgd4