You could add a third reason, which is to test a synergy you want to play, but can't afford to invest hundreds of dollars into without testing it
Gateway Learning to play Lorcana
Other expensive cards include, not surprisingly, iconic main characters like Sephiroth, Cloud, Lightning, Terra, and Clive, as well as summons like Knights of the Round and Bahamut
As far as being worth it, booster boxes follow the rule that buying in bulk is more efficient than buying single packs over the course of a longer period of time
Kamigawa: Neon Dynasty Set Boosters contain: At least 1 rare or mythic rare card (approximately 27% of Set Boosters contain 2 rares or mythic rares, 3% contain 3, and less than 1% contain 4.) 1 Traditional foil card of any rarity, including Booster Fun cards 1 Common or uncommon with the Ninja or Samurai treatment 1 Land or foil land, including ukiyo-e lands 1 Art card or foil-stamped art card 1 Double-faced common or uncommon 3 Common cards that are connected thematically 2 Uncommon cards that are connected thematically 2 Wildcards of any rarity, including double-faced cards, ukiyo-e lands, and Booster Fun cards 1 Token, ad, or helper card, or a card from The List Set Boosters are available individually and in displays of 30 packs
If they were different, we'd find an English quote that had parity in Japanese or another Japanese quote that was closer to the English one