if you dont understand then you have no clue about what blockchains solved in regards to decentralised money.
by not understanding the importance of byzantine generals theory in regards to bitcoin. then your other topic about "what bitcoin gave us".. is a hollow topic you started, because it seems you have not grasped it enough

by your preference of control and centralised groups, and non blockchain networks. its pretty clear you have not really looked into what bitcoin and blockchain is really about.

but i guess your chums never wanted to tell you about the whole history of bitcoin/blockchain and what bitcoin solved.. because your chums wanted you to concentrate on the centralising move people off the network mindset of recent years

and by the way before you have your predictable rebuttal.. distribution of compatible loyalty is not the same as decentralised consensus

but if you really at all care about bitcoins security. you will find doing some independent research outside of your buddy group will benefit you.

and the reason i kep saying do your own research is purely so that you cant claim i am spoon-feeding you biases..
its up to you to decide if you care/desire want to know whats real.
and best way to do that is do your own research independently without buddies with spoons feeding you