So yeah since these eggs were only given out as drops, there was no danger of people having their companions breed and going 'egg plz'. In the drop I did, the dragon was an unbonded NPC, and she had all the equines explain why they would be the best for her egg I think. ICly I think a lot of companions would want their offspring bonded as they are - and even wild ones wouldn't necessarily have to abandon an egg for it to bond. They could see their bonded compatriots and be like 'dayum I want some of that' and optionally GIVE their egg to a character for protection, which removes the aspect of 'why bond when you have parents'.
As I say, here this could probably only happen if someone had a prize for a newborn companion - or maybe every so often when the admins are looking for backstory behind an egg drop, they could use eggs born from onsite companions with the player's permission? I just really think it would add an awesome new angle to companion dynamics. I mean, not so much in this case since Cynder is leaving, but I can definitely picture family relations between companions and the plots it would inspire :D Hell, in my headcanon all the dragons I've played are related in some way like their bonded equines are.
[ we are made of greed ]
[ the regime ]