The issue I have with plastic spray nozzles and units with oil is that they get gunky even if you clean them after every use. And most heads are not supposed run through the dishwasher. Which is highly impractical for us. For a while I bought a new one every year just to replace the top part.
Seen from a traffic planning perspective, these lane changes alone would cause more incidents than 10% of drivers running a red light crossing.
A bit retro:
The issue I have with plastic spray nozzles and units with oil is that they get gunky even if you clean them after every use. And most heads are not supposed run through the dishwasher. Which is highly impractical for us. For a while I bought a new one every year just to replace the top part.