@anderspuck @randahl Yes, & #Threads is a #Fediverse app.
However, user privacy is a big deal, & if #Meta made #ActivityPub the default setting, they could end up with a privacy lawsuit from users who found their info on an evil instance or billion dollar fines from @EUCommission (who penalize based on global revenue).
Making #Fediverse opt-in saves Meta from spending more money on lawyers later on.