The Geula and Belief in Moshiach

The twelfth of our Thirteen Principles of Emuna requires us all to eagerly anticipate Moshiach. There's no one, religious or not, who doesn't want Moshiach, so where is he? Why has it become so unpopular to talk about Moshiach, to the extent that the rabbinical leaders of our generation are hush on the subject?