Many of these things are holdovers from an earlier era. Have you ever used a shower from the 30s? It's like a wall of water. Using something like that compared

Many of these things are holdovers from an earlier era. Have you ever used a shower from the 30s? It's like a wall of water. Using something like that compared to a generic showerhead today is wasteful. But now we're at diminishing returns territory, eking out every fractional water savings. I think the answer is actually neither "you are bad for doing x" nor "doing x is fine", but rather that intentionality is important. Taking time to think of your impact on others and saying, "I'll sacrifice here and put a burden on others there" with intention is fine. I'm flying to my grandmother's funeral. I recognize this pumps tons of carbon into the air. I'm intentionally conscious of this and acting in a way I think others should be allowed to (funerals are important!)