I use this feature frequently too, but the downside is that it makes non-native textboxes stick out like sore thumbs because they don't implement it. In fact,

I use this feature frequently too, but the downside is that it makes non-native textboxes stick out like sore thumbs because they don't implement it. In fact, this is common to a lot of little poweruser features on macOS, and I think is a big driver of distaste towards non-native apps by long-time Mac users.