The Grand Mufti made his assertion in response to a question posed by a delegation from Kuwait: a Kuwaiti parliament member recently called for the "removal" of churches (he later "clarified" by saying he merely meant that no churches should be built in Kuwait), and the delegation wanted to confirm Sharia's position on churches.
Accordingly, the Grand Mufti "stressed that Kuwait was a part of the Arabian Peninsula, and therefore it is necessary to destroy all churches in it.