They say they are setting up a new call centre with more than 100 staff to deal with the backlog of problems.
https://www.bitstamp.net/article/message-bitstamp-ceo-nejc-kodric/Aware that you need real-time contact with us, and much better response times, we will be setting up a call centre with over 100 staff, which will be up and running in the coming weeks. We will also have a new ticketing system in place in 2 weeks from now to expedite the resolution of open tickets.