I think I did realize that. However, if you as a homeowner say "I really super duper don't want any scale buildup OR the minerals to be dissolved in whatever co

I think I did realize that. However, if you as a homeowner say "I really super duper don't want any scale buildup OR the minerals to be dissolved in whatever comes out the faucet" then suddenly the proposal is actually reasonable. Metaphors only go so far. Try to see what I'm really saying here: quality has a cost. Don't shoot yourself in the foot by preemptively reducing quality on account of some ill-conceived notion about how the relationship between product owners and engineering works.