To be fair, interferometry was really insightful independent of the static aether theory being wrong. So much so that LIGO is basically the same thing, used to

To be fair, interferometry was really insightful independent of the static aether theory being wrong. So much so that LIGO is basically the same thing, used to measure flexible aether theories (eg, relativity). We can’t detect our drift, but we can detect far away objects causing aether ripples.