Any thoughts on this criticism of DPOS?

[matt608]

https://bitcointalk.org/index.php?topic=905385.msg10003476#msg10003476

While it's not easy to get voted in as 100% pay delegate, it is much easier to do so for a 3% pay delegate as voters are less careful.

Would it be better to have block signing/network security automated with POS and use DPOS to hire + fire employees? (not an original suggestion I know).