Nice and clear. I would add that Metamask is purely for purchasing EOS. It is not a wallet where you could receive coins. It is more a shapeshift kind of thing:)
I use several different currencies but setting Myetherwallet was just pain in the...so unintuitive. As far as crypto is so crypto there will be no mass adoption by an every Joe. And yeah, the whole EOS distribution is so difficult to understand especially when you read through all these law stuff. In short you buy smtg what does't exist, have no use, have no garancy of future use, and also giving away all legal rights or ownerships you would expect after purchasing nothing RC20 token. Pretty hillarious. I just believe in talent and skills of Dan Larimer. Good luck and peace!