Zultrax does nothing that sucks.

What sucks is the use of a vendor ID or a connection header to benefit your own client above other clients. It is theft of bandwidth. If that becomes a habit it would be rather destructive for the network.

Each client can implent its own mechanism deciding how and how fast to reply to requests of others but it should not matter which client the other is using. We will not allow that our users are being put behind while they are using a totally fair client themselves.

When we would notice this abuse stops we would also remove our defence against it.