First of all YES, the meaning of life is still 42 :)
As for Justin Sun, I don't know if he is a genius but I do know that he is an arrogant and dangerously ignorant speculator.
I see in the comments that you have some good answers to your questions, if it isn't enough let me know. I am not an expert but I'll be glad to help!
It seems that 2020 came hard on you, I hope it will get more gentile from now on.
Stay calm, stay safe, hive on!
Thanks @fotostef.
Yes, I think "dangerously ignorant" is the right description.