Have you got any tips for how regular people can deal with the decentralized system without losing their shirts?
Just using the acronym FUD everytime someone critises crypto is not an argument
Which decentralized system are you referring to which left people without their shirts? FTX was highly centralized, and not even purporting to be otherwise.
or install Brave web browser and use integrated wallet.
Advanced learners can later download ethereum or bitcoin open source software and create wallet on command line.
Back up private key and seed phrases. Write them down and seal into an envelope. Back up these secrets now!
Have someone send you crypto to your public key. Or get a kraken/coinbase account to buy some and then send to your wallet public key. This gets the crypto off the exchange.