It's definitely my experience since becoming a disciple of the Buddha.
But when I was not a disciple, I would have probably been very skeptical of that teaching.
It just goes to show how "against the stream" the Dhamma goes. If we define the idea of spirituality in its most bare form as antithetical to worldliness, the Dhamma is the spirituality par excellence.
-MN 26"Just then these verses, unspoken in the past, unheard before, occurred to me:
'Enough now with teaching what only with difficulty I reached. This Dhamma is not easily realized by those overcome with aversion & passion. What is abstruse, subtle, deep, hard to see, going against the flow — those delighting in passion, cloaked in the mass of darkness, won't see.'
"As I reflected thus, my mind inclined to dwelling at ease, not to teaching the Dhamma.