Alice & the Mad Tea Party and South Park slots gone for good?

[Formscorers]

How come both Alice & the Mad Tea Party (WMS) and South Park (NetEnt) are no longer to be found on -any- casinos that have WMS slots? Does anyone know why they were removed? South Park was probably removed due to copyright issues or something? But what about Alice? If anyone knows this, kindly share it with me. I really enjoyed both of those games, but now, both are gone..  

 

[Slotplayer]

I am hazarding a guess here and it is because WMS not willing to port the slots from flash to html5