I don't know, the two questions are nothing alike:
One is asking for a guesstimate, while the other is a proper optimisation problem.
To me it's a valid interview question, albeit a bit difficult for a short session.
Puzzles in Limbo are definitely simpler and more straightforward than in Braid, but Braid is also more than just a puzzle game.
To me, the feeling OP is describing when it comes to the first rewind in Braid is similar to the first few bizarre deaths in Limbo: Surprising, and it leads me to re-evaluate the way I approach the game.
They probably meant that the reason is malicious, to spy on traffic. Especially since a good chunk of the top sites on that list are Chinese which is known to have generalised spying on internet users.
> Short of ideas and creative people? Or just want it for free?
As I see it, it's at worst a fun experiment on the design of a single page.
I think it's also a very nice way to get a conversation going with people who might be good fit for their team.
All in all, I don't think there's any need to be that negative about it =)
One is asking for a guesstimate, while the other is a proper optimisation problem. To me it's a valid interview question, albeit a bit difficult for a short session.