Everyone gets their social security number leaked...identity thieves have a field day.
Everyone gets their medical history leaked...insurance companies suddenly find another edge against the consumers.
Everyone gets their texts leaked...scammers now have blackmail against anyone who ever got spicy with their significant other.
Huge companies have been exploited before, and they will do so again and again. The only long-term winning strategy is to not let them have your data in the first place.