why using a throwaway account? if you are going to dis someone, at least stand up and don't hide.
most all companies ignore emails upon rejection (at least in my exp), don't take it personally.
my experience with svb has been the complete opposite. the initial programming test was short and sweet, shouldn't take much more than an hour. they reached out a bit after i submitted the quiz.
i've had a chance to speak with the crew and they are a great bunch.