at 1pm today Faerlina (one of the largest TBC servers) was at 3 layers and I thought it was crazy so I took a screen... Now, at raid time it's suddenly at
Layering May be Back for Full Servers in Classic WoW - YouTube
How to layer and proof its easily abused (couldn't see enemy raid) : r/ classicwow
QuickLayer : Classic - General : World of Warcraft AddOns
World of Warcraft: Classic has all servers down to one layer now | Massively Overpowered