It's been removed by default from the vote list. I haven't added it back to the CT servers because it was almost never voted and I haven't heard anyone say anything about it yet.
With the new version of the map, the server CPU was sitting at 100% utilization on the core Ren-X was running on at all times. That's on a 4790K as well. Client pings were skyrocketing and it got ugly in a hurry. I had to force a mapchange.
On your local network the best you can do is get a wired connection or a reliable wireless router with a solid receiver. After that, it's completely up to your ISP.
Yeah not quite sure why he joined and thought he could pick his own team and not use TeamSpeak. Oh well, 99% of others followed the rules and everything went smoothly.