To clarify, these are not employees. They are just coinbase fanboys.
How can you be so sure that they are just fan boys and not employees? I do not think you will be able to know that.
People can also have different opinions like how Peter Schiff have critic opinion about bitcoin.
Edit: Exchanges is not a place to hold your coins, I know that and it is true. It has a reason they are called exchanges and not wallets.