Why should Israel say thank you? It is the duty of any nation hosting a major sports competition to allow all the participants who have qualified. If Qatar were to ban Israel then they would not be able to host the tournament. However it is good to see that a Middle Eastern nation would allow Israel even if it is for there own agenda.
Law expanding definition of terrorist activity passes first Knesset reading (Haaretz)
from the article: Qatar: Israel team welcome if we win World Cup bid