That'd be nice. I think we're very discouraged to buy pets nowadays. Recently, I loved the looks and skills of the Azure Dragon pet, but I didnt buy it because paying 11€ for the pet itself PLUS all it'd take to level up to T4... again, all that for just T4 pet.... heck no
After getting a t4 squad with a t5, spending any more on pets doesnt feel worth it at all when you compare the cost vs the tiny buffs from skills and cosmetic value
Preach. Why add new pets if we don't have a reason to buy them? PA would most likely benefit from this change way more than we would. They're happy, we're happy, everyone's happy.