#Amethyst does have security filters but you can turn them off in the settings. I've found them to be useful to limit out some of the spam that comes with being an open network but it all comes down to user choice.

There's a few good clients for long form. nostr:nprofile1qqszpxr0hql8whvk6xyv5hya7yxwd4snur4hu4mg5rctz2ehekkzrvcpzamhxue69uhhyetvv9ujuurvv438xarj9e3k7mgpr9mhxue69uhkummnw3ezu7n9vfjkget99e3kcmm4vsq3yamnwvaz7tm0venxx6rpd9hzuur4vg5xqmxe would probably be my recommendation here. They've done a lot to really focus on this usecase.