Do caster out of combat options matter?

[JNAProductions]

Every spell that requires an attack roll or triggers the target's saving throw is subject to the same limitation.

That's not the same. At all.

If I cast Firebolt and roll a total of 22 to-hit, I hit anything with AC 22 or less and miss anything with AC 23 or more.
If I get an Arcana check of 22, I... What?