That's because after lots of science (aka deck-building sessions), the best players and deck builders have realized that the majority of cards in an aggro deck should be focused on one thing: killing the opponent quickly
If theres one thing that brand new card games entering the fold will improve, its making the scene as a whole much healthier
At the time of writing this, the popularity of Pokemon TCG cards has never been higher, bar the original release of the cards
2 Secret Rare creates competitive player interest
If someone hasn't made a deeply disturbing DnD homebrew about this within a month, we'll, er, turn into a frog
One of my friends had been playing a deck they called Bant-chantments since 2013, when they swapped out Derevi for Rafiq of the Many