That’s a client specific issue. nostr:npub18m76awca3y37hkvuneavuw6pjj4525fw90necxmadrvjg0sdy6qsngq955 had to implement it to be available in the App Store. That’s why you can zap my profile but not the post. It’s some compliance bs. Other clients like nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg figured out another way around it.