So you post the link taking you directly to the login page, but don't tell anyone that you can't even try out the Go course without buying 500 gems (costing $12

So you post the link taking you directly to the login page, but don't tell anyone that you can't even try out the Go course without buying 500 gems (costing $12)? You have to provide an email address before you even find out it costs money. This seems VERY spammy to me.