That's what probably made them the best. Everybody knows the horrible chemicals of yesteryear often led to a better quality product or UX, an uncomfortable truth.
For example, dishwasher soap used to be a lot more effective before they removed phosphates.
Mercury switch thermostats were infinitely more reliable than their successors and many are still working today 50 years later in older homes.
LED bulbs have been associated with migraine symptoms, and are all around terrible for reading.
Let's not forget the clusterfuck that is lead-free solder and just ask yourself why it's banned from aircraft and space applications where reliability is of utmost importance.
For example, dishwasher soap used to be a lot more effective before they removed phosphates.
Mercury switch thermostats were infinitely more reliable than their successors and many are still working today 50 years later in older homes.
LED bulbs have been associated with migraine symptoms, and are all around terrible for reading.
Let's not forget the clusterfuck that is lead-free solder and just ask yourself why it's banned from aircraft and space applications where reliability is of utmost importance.