Is it really the unfortunate side effect of the US tag/legal system? As an outsider (from Europe), it seems that Intuit was able to take over Mailchimp, but was

Is it really the unfortunate side effect of the US tag/legal system? As an outsider (from Europe), it seems that Intuit was able to take over Mailchimp, but was not able to smoothly transition their new employees from one insurer to another.