5billion netizens - 500million max uses one social media - even if most popular npub has 1million followers - will then person time to read / reply
lets focus average typical numbers say 100 to 10K followers + following - can relay manament handle that ? #nostr scalability - maybe yes - thats good enough
nostr unless u r using FILTERED relays or centralized APP service - picking n grooming ur relays - u will get regular engagements MUCH MORE including ai bots which u can block/mute