It is not just one thing. The more people we can get to attempt to sign up, the more people will complete the process. Making that process easier (which they have) increases the percentage of people who complete the process. But if people never try to sign up in the first place because they are turned off by the landing page then it 100% does not matter how good or bad the sign up process is. We can fix multiple things. Proposing a fix for one thing doesn't mean there isn't more to fix.