Is it considered discourteous to set other people's project offspring up for breeding? Does the value of the breeding fee affect how acceptable this is?

When I buy fertile project pets, I try to avoid setting them for public breeding unless the project owner is no longer active. I'm aware that once you buy a pet it's yours to do with as you please, but I would appreciate it if anyone has an opinion they'd like to share. Maybe I'm just overthinking it!

I personally wouldn't set other people's project offspring up for breeding. I think that it's ok if you are breeding them with your own pets just for fun or to get a specific trait that they have, but once you put it up for public breeding then it is like you're making money from someone else's hard work, so feels a bit unfair?