it probly shouldent be manetory because people have jobs and familys so it should be volantery

also it's not good to become to reliant on them because they are pretty fragile 1 moderately powerful solar flare from the sun in the right direction could destroy phones over a whole continent or more a nuclear bomb detonation could have the same effect

it's true that mobile phones provide an easy way to communicate and do math but there are other ways of doing these things that are far less expansive like mail using a calculator or doing math

mobile phones are a want because you don't need them to survive it's not like food or water people survived without phones for 1000s of years.phones are also expansive think of what you could do with that money.