I'd rather have a new variant instead of a duplicate. Exclusivity doesn't do anything to me, but if something is advertised as 'exclusive' like Tom Riddle, it should be exclusive.
On the topic of the leak yesterday with the torso for Professor Sinistra: I found a pic at the Harry Potter Fandom, where that specific torso is, but it looks like is from Professor Silvanus Kettleburn, which I don't even think was in the movies.
Instructions and official photos for the Monster Book of Monsters are online at lego.com
https://www.lego.com/cdn/product-assets/product.bi.core.pdf/6336590.pdf
That is not correct. It is the 14th. Cafe Corner released in 2007 and Assembly Square was released in 2017 at the 10th anniversary. Since then LEGO has released 3 new modular buildings, not 4, as they would have when 2021 was the 15th anniversary.
Challenge accepted; Both Detective's Office (released in 2015) and Brick Bank (released in 2016) retired in 2018, a year before Parisian Restaurant (released in 2014) which retired in 2019.