About the pink house on the malting site

The origins of a pink house on top of the old Canada Malting site in St-Henri have been debated on Instagram and Twitter and have now made it to the CBC site. Obviously it’s not really a house – somebody painted an old industrial element as a prank – but CBC implies that someone’s living in it. However, if they find anything out about it, won’t that person risk being charged with trespassing?