In most cases, many of them aren't bots. They're manually copy-pasting their spiel in every possible forum at random and hoping to get clicks. Break the link and they can't do anything. The NOPE method is unbeatable. Most of them never try a second time. It was hilarious when the guy(s) trying to spam links to appliances placed in a certain room used for cooking tried spamming "k i t ch e n" and whatnot for a while in vain.