I find it a mix. There are days where the complexity is fun, there's (most) other days where I just need coffee before a day of complexity at work.
18 karma · joined February 13, 2016
The final project was changed to a python interpreter in Scheme which I thought was fantastic.
You can't really compare ratings from across websites or groups like FIDE since the pools are so different.
That being said, I think they're a massive waste of time, especially positions that don't exist or that they already had decided against you. I've had two of them in the last two months both of which didn't lead to phone interviews.