Does SETI deserve criticism regrading their relationship to the UFO community? Yes. Do they also deserve your support via you downloading SETI@home? Yes. For those of us that entertain possibilities such as the visitors in the UFOs being interdenominational in nature, then looking for extraterrestrials in the way SETI is doing is still a valid pursuit.
SETI@home: Discover ET Using Your Home Computer by debunkerbuster