Operator `one of` never matches for `[block]` shortcode

[gMagicScott]

This is true for both letters, numbers, and mixed (if relevant).

[block field="irrelevant" operator="one of" value="a,b,c"]
Hello Word
[/block]

[block field="irrelevant" operator="one of" value="40,45,50"]
Hello Word
[/block]