That's 2 out of 7 Lambo winners on the forum now. The other one protected their identity by using a newbie account to post but they are an active member here. I'm sure there are also many other lottery winners here who haven't said anything about it for privacy reasons.
I'm not 100% sure they will have got the email asking them to contact us and tell us if they want the Lambo or BTC because they had already done that as soon as they were announced as the winner!
There was also a third forum user,
Kryptoverdienst, who had only made a single post in the 'big wins on FreeBitco.in' thread over 4 years ago. His account shows he logged in a few days after winning the prize, I'm guessing he was probably getting a bunch of email notifications from forum users trying to message him.