It seems the "humiliation to Islam" caused by the [1] giant teapot got it torched. From the [2] BBC, with thanks to Bamsterkins.

Arsonists have attacked the base of a small inter-faith sect in Malaysia called the Sky Kingdom. The sect is noted for building a giant teapot to symbolise its belief in the healing purity of water, and is accused of luring Muslims away from Islam.

A lawyer for the sect, Haris Mohamad Ibrahim, said that about 30 armed men dressed in Arab robes had attacked the commune with Molotov cocktails.

No-one was injured in the attack, which caused a small fire.

"The roof of the teapot structure is... slightly charred, but since it is made of concrete, the damage is not extensive," firefighter Ahmad Fakarudin told Reuters news agency...