The mythical essay that gave rise to the Boring technology term. The main idea is pretty clear:

When choosing technology, you have both known unknowns and unknown unknowns (…) Both sets are typically non-empty, even for tech that’s existed for decades. But for shiny new technology the magnitude of unknown unknowns is significantly larger.

And you should think long term:

It is basically always the case that the long-term costs of keeping a system working reliably vastly exceed any inconveniences you encounter while building it. Mature and productive developers understand this.

Why do you want to have more free? To contemplate bigger questions.