Yeah 225 is pretty good, but sharp eyes can pick that up at close range.
I fooled with finding some of the limits ages ago:
It may not be directly apples to apple for you, but it can show you some differences.
The biggest case where LPI matters is when you have something small that’s meant to be held, with an especially crisp engraving surface. Anodized aluminum is notorious for that, I was making some dog tags, higher LPIs were noticeably cleaner.
EDIT: Ah, I thought I maybe wrote that up, and sure did: