Comment by jrflowers

Exactly. If I were in that position I would have simply learned from what happens in the future. In the rare instance that there was a negative outcome, I would just inform my previous self so that I could retroactively ensure that that outcome had not occurred.

It is through this simple system that I can confidently say that the content of this article that I am reading today in 2026 had/will have an impact on what I would have done in 2019