on my opinion based about blockchain.com
with biggest company like that,i am just sure,the data will be safe on their system.
because,blockchain.info or blockchain.com is my first btc wallet.
but for reality,of course give your identity for 25 bucks just a stupid thing.
Biggest company or not the information is not guaranteed to be safe just like the recent hacks someone who works with them could leak everything.
i think no issue yet when it comes to their services.
There is one past issue where a user manage to retrieve hundreds of bitcoins from blockchain wallets.