It is sad because this is how science is meant to work, but propagandists will use it as evidence to dismiss it as some sort of liberal conspiracy. This is what the commenter you're replying to means by "doubt".

Science uses models to make falsifiable explanations and predictions. That these predictions are falsifiable and can be rejected, superseded or require fixing is how it's supposed to work, not an indictment against them.

> It is sad because this is how science is meant to work

No, it is not meant to work that way.

The situation were formed by pretty predictable and easy to model factors, and if the science have failed even with that, how can we right now trust it with the things that are obviously way harder to predict?