To deconstruct means something like "disassemble" or "reverse engineer" - to reduce something to its constituent parts in order to de-mystify it. Quite a lot of posts on HN do this - explaining how some particular effect is achieved via clever hacks.

"Inciting suspicion" is about encouraging people to ask questions about why an interface works the way it does. Is it a dark pattern[1]? Why those options, why that layout, what is the person who designed this trying to encourage me to do?

[1] http://darkpatterns.org/