To say Gautama was an atheist is to push onto history a distinction that had yet to be invented. He was very much a participant in the spiritual / religious frameworks of the time, and rejection of certain aspects of those frameworks does not necessarily make you an apostate or unreligious or atheistic.
> There was no one ordained by him or any religion proclaimed by him on his name.
Jesus ordained nobody either. Nor did he ever proclaim a religion. All that came later.
If Buddhism isn't a religion, Christianity isn't either. Buddhism has teachings, mythology, places of worship, specific means of prayer, (meditation, anybody who says meditation isn't prayer has never really prayed) holy books, priests, and a thriving metaphysical dialogue. It walks like a duck, quacks like a duck, water rolls down its back like a duck.
Well, catholics say differently. "And I tell you that you are Peter, and on this rock I will build my church."
So, Jesus ordained 0 or 1 people, depending on your choice of tradition.
>I just wish people recognized Buddhism for what it is - a religion.
There was no one ordained by him or any religion proclaimed by him on his name. Around his words later there is a whole religion of buddhism that came up with many different kind of practices and rituals. You could follow none of that (this religion and its rituals) and just live by the principles by which Gautam Buddha "lived" himself and could have a better life.