There has, quite simply, never been a better time to listen to recorded classical music.
First, the recorded back catalogue is bigger and more varied than ever before. People listening in the 1930s would have been hindered by a limited selection of records. We don't have to put up wih a medecore performance of Beethoven or Brahms because so many people have recorded good ones. And in the days of Mozart and Handel, tiny numbers by modern standards would have been able to listen to their works because they weren't recordable.
Secondly, we have better quality sound that at any previous point. FLAC, SACD, CDs, more advanced hi-fis, evolutionary improvements to speakers and great and affordable modern headphones mean that we have a much better listening experience than the days of cassette or records. Image trying to listen to a symphony before the introduction of LPs.
Thirdly, the cost of discovering classical music is much less. I wish I had been able to use a streaming service such as Qobuz (or Spotify, Apple Music, and YouTube) as a student getting into classical music at the turn of the 21st century. Box sets and a glut of second-hand CDs (e.g. at Gramex) have also pushed down the cost of listening.
Fourthly, there are more readily available sources of information about classical music and instant answers a Google search away. Of course, the internet has brought its challenges, and record companies have had to become more efficient in response, but looking at the pages of Gramophone I don't see any shortage of high-quality recordings being put out.