Ok, from some of the comments yesterday, it kind of became apparent that a few people don't understand that making an army of ultimate bugs is the real goal of this expansion (or that I'm horribly mistaken).
Never played the ultimate bug game? It's called Evolution over at Central.
You can play it if you want. (I used to hold the high score for that hehehe)
So in this expansion you really are looking to unlock as many stats as you can for your pets. It's all about unlocking traits so you can build the ultimate bug. What kind of traits are there? Ohhhhh, HUNDREDS!
You have accuracy for each class, you have damage for each class, you have health, you have mana, power pip, spell cards . . . you have all kinds of traits at your disposal . . . not to mention derby traits, which are their own beast . . . you have oil slicks, jump removal, sprinting, bombs, walls, lane changes, snares, etc.
To really "win" at this expansion, you're not going to want to level just one pet and be done. You're going to want to unlock as many uber ultra-rare traits as you can with your existing pets and hope to breed the best traits into the pet model with the most potential. AND, you're going to want to breed different types of pets. You'll want to do this over and over until you breed an army of ultimate bugs. You'll want a pet that merely sits by your side and boosts your stats and never breaks traps. You'll want a pet that is full of combat effects who's attacking all the time (for wow factor). You'll want a pet that is a derby champion. etc.
At the end of the day you're building a family of winning pets. And THAT is the purpose of breeding as I see it. (please screw my head on right if I have it on backwards there) AND, since there are hundreds of stats, that's why choosing the ultimate bugs to breed from off of a web storefront would be so attractive to someone who's really into this game. It'd be a time saver.
And all the reject pets who don't have the best stats as you progressed and progressed trying to build the ultimate unicorn? Housing decorations. Really expensive housing decorations. (But, as I noted, they are listening . . . things are subject to lots of change on the test realm.)
And the idea of crown pets being unbreedable? In the end, you're going to feel jilted if you have a pet you can't breed to improve, and that's why some "unbreedable" pets would be ultimately seen a curse. Who would pay crowns for that? Sure they "look" rare on the surface, but they're no ultimate bug . . . They're just some unbreedable (30) potential wannabe sheep, who just happens to have a snappy dance:
I'm pretty sure that sheep has got to be somewhere in the game now . . .