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1 year agoYou confused revenue and profit. You must subtract expenses to calculate the profit. For example, if you buy something for $20 and sell it for $21, your revenue is $21, but your profit is only $1.
Facebook reported a profit of $39 billion in 2021 and $23 billion in 2022. This takes their expenses (salaries, offices, data centres, etc.) into account.
“secure” is relative. They may not be e2e encrypted, but they are still encrypted via TLS, like any HTTPS traffic. It’s the same encryption used for online banking. If you care about your instance admin being able to read your messages, you should use Signal or a Matrix client though.
But remember that only a few years ago, almost nobody used e2e encryption, and it wasn’t much of an issue.