Inferences from labels can be so strong that people are often careful to separate labels from the behaviors they describe.

Consequently, whether to use pronouns or not depends on how we want to assign credit or blame, and how subjective or objective we want what is being said to seem.

Said another way, present tense suggests that speakers don’t just have an opinion, they are relatively certain about it.

But what we forget is that while it’s easy for us to parse, others may not feel the same way. While we have spent lots of time thinking about something, or know a lot about it, we often fail to account for the fact that others may not be in the same position.

And abstractness is the cause.

The more people learn more about something, the more they naturally start to think about it abstractly.