Everything evolves but some things evolve faster than others. Classical music does change but not very much. The tenors today don’t sound all that different than the old recordings of Caruso. The current sopranos don’t really seem all that different than Rosa Ponselle.
I have written here recently about economics and how it influences everything.
We live in a time when people do not really have much interest in “keeping their word”.
It’s helpful when the people who are in charge of an artistic endeavor have knowledge, experience and skill. It’s helpful if they have developed tastes and a broad perspective. It’s very helpful if they look at their art as an opportunity to make a contribution to the world by shaking things up, by allowing the audience to be touched or moved, or by transforming life through the creation of the artistic expression or through it’s execution.