He doesn’t actually say that all dogs go to heaven. He says that Heaven is “open to all God’s creatures” and that we will see our friends again there.
That’s not a firm article of faith, but it’s a pretty reasonable conclusion to draw. Several books have been written about this in recent years, and the arguments are plausible.
This true, and though i do not support Rome, the media translation is typical of their careless attitude to accuracy. It may be easy to say all golden labs go to Heaven, versus all pit bulls.