Filters are good.
For example, photo filters are good. To shoot without a filter and digital seems a bit silly.
Email filters are good. You only want to filter the most important information of signal to you, while filtering out the noise and spam.
Also if you think about it, all the photos that we make are our filter of our reality. We don’t photograph everything we see. We only photograph that which is filtered through our perception, and what we perceive is interesting.
Without a coffee filter, we would not be able to drink our delicious coffee.
Therefore I suppose the practical takeaway is this: filter wisely.