I would laugh my ass off if just blowing out the <div> with the developer tools circumvents this.

Step 1: Go to station ticket office

Step 2: Tell ticket agent where you want to go

Step 3: Give cash to ticket agent

Step 4: Receive ticket

To be fair, this is probably just a bad translation / bad phrasing.

I expect what they mean by this is “to continue without signing up”

It’s a pretty common pattern on ecommerce sites. You can sign in with an account, or you can make a one-time purchase without an account.

And of course if you don’t have an account they still need somewhere to send the confirmation (and in this case, probably send the tickets)