Removing them slows the engine considerably
While this might be a case of the Pokemon's limited exposure thanks to being locked behind DLC, it's going to take some time and likely an exceptionally strong, playable card for it to appeal to a wider TCG audience
Recently people sell the WOTC/Pokemon wrap with the empty box

Heres a quick summary of whats contained in the Elite Trainer Box: 10 Shining Fates Booster Packs 1 foil Eevee VMAX promo card (SWSH087) 65 card sleeves featuring Gigantamax Eevee 45 basic Energy cards (5x of each type, including Fairy for Expanded) 6 damage-counter dice 1 competition-legal coin-flip die 2 acrylic Special Condition markers for Burn and Poison Players Guide for Shining Fates, which has pictures and a checklist of all of the cards in the set, along with strategies and highlights for some of the cards Rulebook for the Pokmon TCG A collectors box for keeping cards and everything else included, along with 4 dividers to separate cards inside of it A code card for the Pokmon Trading Card Game Online Elite Trainer Boxes are usually a good way for newer or intermediate players to jump in to the Trading Card Game or get their toes wet with a new set, because you get a lot of useful things included in it, such as 45 basic Energy cards (5 of each type, including Fairy for Expanded Format decks), acrylic special condition markers, damage counter dice, a tournament-legal coin-flip die, 65 card sleeves, a players guide for the set showing pictures of every single card in the set (can be used as a checklist or just a reference), and a box to store these goodies in along with separators to help organize your cards inside of the box
