You have fallen for what folk think about almost any technology over science. As such you may as well go ahead and take the popular views and nothing more.
Some if not all your questions were easy to answer with a little research.
Someone said that 5G can cause health issues.
Someone said that internet speed is same as 4G.
Someone said that it is not completely developed.
Someone said that they changed the name 4G into 5G and launched it. To earn money.
Someone said that it same as my pc modem.
Someone said that the radio waves are non-ionising
Someone said that "it is a beta version"
someone, someone, someone,......
Is it definitely worth?
Share your thoughts as someone?
I am going to write a blog based on your comments.