In general, it's important for bots to be able to ping editors. On ENWP, I plan to have a bot ping users from a centralized talk page to reduce spam.
To: APerson
Cc: APerson, tools-nlwikibots-list, Multichill, Quiddity, Mattflaschen-WMF, MusikAnimal, Aklapper, Akoopal, kostajh, Adrian1985, JJMC89, Headbomb, Taiwania_Justo, SBisson, Luke081515, Xqt, Catrope