Where it comes from
The line in the source
The set was popular, but not as popular as its predecessor Hidden Fates.
In English
Wikipedia editorial judgement, no cited figure; C. Use only as colour for the special-set pattern: Hidden Fates (2019-08-23, 68/69 + 94 Shiny Vault) then Shining Fates (2021-02-19, 72/73 + 122) are the same template 18 months apart.